MNB World суваг /архив/ Яг одоо: 2023-01-28 13:20:00-2023-01-28 13:50:00 Passion #13: Young leaders

Энэ 7 хоногийн хөтөлбөр

2023-03-20 Даваа гараг

08:00

Explore Mongolia: Bayan-Ulgii #3
08:20

Kids Time: NICL #4 #5 #6
08:35

Heritage: The tale of Khukhuu Namjil
09:05

Society: Never Forget #1
09:40

Heritage: Animal Husbandry
09:50

Generation #65: Emujin Naranbold, 10th grade student at the Hobby school of Ulaanbaatar
10:10

Concert: Chopin Piano competition Gala Concert
11:00

MNB WORLD CAMEL FESTIVAL 2023
11:20

Heritage: Four Seasons
11:45

Heritage: Mongolian Saddle Decoration
12:10

Movie: Kiss
13:00

World News
13:10

History of Mongolia #3: The Hunnic Empire in Eurasia
13:40

MNB WORLD Children of Magic Land
14:00

Sightline #147: Justine Coulson, UNFPA Representative to China and Country Director for UNFPA in Mongolia
14:20

MNB WORLD Weather Today
14:30

Heritage: Singing Epic Poems
15:00

World News
15:10

Heritage: Family Tree
15:25

Mongolian Grand Theatre of National Arts presents
15:30

Heritage: The tea offering ceremony
16:00

MNB WORLD Weather Today
16:05

Heritage: Horse trainer
17:00

World News
17:10

Scientific Mongolians #2: Mongolian online dictionary
17:35

Concert: Concerto soloist part 2
18:20

Movie: "Spring" episode 7
19:00

News Mongolia
19:15

History of Mongolia #3: The Hunnic Empire in Eurasia
19:45

Heritage: Family Tree
20:00

Sightline #147: Justine Coulson, UNFPA Representative to China and Country Director for UNFPA in Mongolia
20:20

MNB WORLD Weather Today
20:30

Heritage: Singing Epic Poems
21:00

News Mongolia
21:15

Heritage: The tea offering ceremony
21:45

MNB WORLD Weather Today
21:50

MNB WORLD Colors of India
22:20

Movie: "Spring" episode 7
23:00

News Mongolia
23:15

End of Broadcast

2023-03-21 Мягмар гараг

08:00

News Mongolia
08:20

Environment 16: On the way to Khangai Mountains
08:40

MNB WORLD Weather Today
08:45

Taste of Mongolia: Nargie’s cuisine Khorkhog
09:00

Economic review: Cycle #73
09:10

MNB WORLD Mongolia Today
09:40

Documentary: Explorer
10:00

News Mongolia
10:15

MNB WORLD Echoes of our Ancestor
10:35

Society: Green Arrow #2
11:25

Passion: Bodybuilder
12:00

Heritage: Making a dombo- traditional tea pot
12:20

Movie: "Spring" Episode 8
13:00

World News
13:10

Environment 16: On the way to Khangai Mountains
13:35

Taste of Mongolia: International Food Corner with Masia & Chef Boldoo
13:55

MNB WORLD Weather Today
14:00

Economic review: Cycle #73
14:10

MNB WORLD Mongolia Today
14:40

Documentary: Explorer
15:00

World News
15:10

MNB WORLD Echoes of our Ancestor
15:30

Society: Green Arrow #2
16:20

Heritage: Herder Family spring #1
16:40

Heritage: Making a dombo-traditional tea pot
17:00

World News
17:10

Passion: Bodybuilder
17:45

Heritage: Padlock
18:05

MNB WORLD Falconry Festival
18:20

Movie: "Spring" Episode 8
19:00

News Mongolia
19:15

Environment 16: On the way to Khangai Mountains
19:40

MNB WORLD Weather Today
19:45

Taste of Mongolia: Nargie’s cuisine Khorkhog
20:00

Economic review: Cycle #73
20:10

MNB WORLD Mongolia Today
20:40

Documentary: Explorer
21:00

News Mongolia
21:15

MNB WORLD Echoes of our Ancestor
21:35

Passion: Bodybuilder
22:10

Heritage: Making a dombo-traditional tea pot
22:20

Movie: "Spring" Episode 8
23:00

News Mongolia
23:15

End of Broadcast

2023-03-22 Лхагва гараг

08:00

News Mongolia
08:15

Places to go #9: Monuments in Ulaanbaatar
08:35

Passion: Skilled Seamstress
08:55

MNB WORLD Weather Today
09:00

MNB WORLD Talk Scoop #76: Khongorzul, Head of HFS Stem Cell Clinic
09:30

Heritage: Shirgeemel, a roasted dried-curd
10:00

News Mongolia
10:15

MNB WORLD Minimalist in Mongolia
10:35

Heritage: Mongolian Boots 2022
11:00

MNB WORLD Pole dance artin Mongolia
11:20

Heritage: Art press
11:40

Documentary: "Epics of the Empire"
12:20

Movie: "Spring" Episode 9
13:00

World News
13:10

Places to go #9: Monuments in Ulaanbaatar
13:30

Passion: Skilled Seamstress
13:50

MNB WORLD Weather Today
13:55

MNB WORLD Talk Scoop #76: Khongorzul, Head of HFS Stem Cell Clinic
14:25

Heritage: Shirgeemel, a roasted dried-curd
14:55

MNB WORLD presents
15:00

World News
15:10

MNB WORLD Minimalist in Mongolia
15:30

Heritage: Mongolian Boots 2022
15:55

MNB WORLD presents
16:00

MNB WORLD Eye on UB #9
16:15

MNB WORLD Pole dance artin Mongolia
16:35

MNB WORLD The “Golden eagle” festival
17:00

World News
17:10

MNB WORLD Suzane-Tour in Mongolia
17:35

MNB WORLD Weather Today
17:40

Documentary: "Epics of the Empire"
18:20

Movie: "Spring" Episode 9
19:00

News Mongolia
19:15

Places to go #9: Monuments in Ulaanbaatar
19:35

Passion: Skilled Seamstress
19:55

MNB WORLD Weather Today
20:00

MNB WORLD Eye on UB #9
20:15

Heritage: Shirgeemel, a roasted dried-curd
20:45

Heritage: Flute
21:00

News Mongolia
21:15

MNB WORLD Minimalist in Mongolia
21:35

Heritage: Mongolian Boots 2022
22:00

MNB WORLD Pole dance artin Mongolia
22:20

Movie: "Spring" Episode 9
23:00

News Mongolia
23:15

End of Broadcast

2023-03-23 Пүрэв гараг

08:00

News Mongolia
08:15

Environment 17: Shishged River
08:40

MNB WORLD Kharanga Long Live Rhythm
09:10

Passion#19: Food Consultant
09:30

MNB WORLD Weather Today
09:35

Heritage: Mongolian Saddle
10:00

News Mongolia
10:15

Sketch #2: Boho brand
10:30

MNB WORLD One will, different prayers
11:00

MNB WORLD CAMEL FESTIVAL 2023 #2
11:15

Heritage: Mongolian Fairy Tale
11:40

Society: Silent Danger
12:10

MNB Music Otgoo
12:20

Movie: "Spring" Episode 10
13:00

World News
13:10

Sketch #2: Boho brand
13:25

MNB WORLD One will, different prayers
13:55

Heritage: Mongolian Fairy Tale
14:20

MNB WORLD Weather Today
14:25

Environment 17: Shishged River
14:50

MNB WORLD presents
15:00

World News
15:10

Sketch #2: Boho brand
15:25

MNB WORLD One will, different prayers
15:55

MNB WORLD Weather Today
16:00

MNB WORLD CAMEL FESTIVAL 2023 #2
16:15

Passion: Dancer
16:50

MNB WORLD presents
17:00

World News
17:10

Mongolian Dance Ensemble
17:15

Concert: Melodies Immortalized in the Heart
18:20

Movie: "Spring" Episode 5
19:00

News Mongolia
19:15

Environment 17: Shishged River
19:40

MNB WORLD Kharanga Long Live Rhythm
20:10

Passion#19: Food Consultant
20:30

Heritage: Buryat Songs
21:00

News Mongolia
21:15

Sketch #2: Boho brand
21:30

MNB WORLD One will, different prayers
22:00

MNB WORLD CAMEL FESTIVAL 2023 #2
22:15

Mongolian Dance Ensemble
22:20

Movie: "Spring" Episode 10
23:00

News Mongolia
23:15

End of Broadcast

2023-03-24 Баасан гараг

08:00

News Mongolia
08:15

Taste of Mongolia: Mongolian Fusion Foods with Chef Boldoo
08:40

MNB WORLD Weather Today
08:45

Documentary: Climate change in Mongolia
09:00

Concert: Man and Nature
09:30

Heritage: Archeology Part 1
10:00

News Mongolia
10:15

MNB WORLD Talk, listen, understand
10:25

Society: New Employee #6
11:25

Society: Our Dear Parents #2
12:20

Movie: "Spring" Episode 11
13:00

World News
13:10

Taste of Mongolia: Mongolian Fusion Foods with Chef Boldoo
13:35

MNB WORLD Weather Today
13:40

Documentary: Climate change in Mongolia
13:55

Concert: Man and Nature
14:25

Heritage: Archeology Part 1
14:55

MNB WORLD presents
15:00

World News
15:10

Heritage: Hide Tanning Tool
15:20

Heritage: Soyombo
15:25

Society: New Employee #6
16:25

Society: Religious Heresy
17:00

World News
17:10

Documentary: Climate change in Mongolia
17:25

Society: Our Dear Parents #2
18:20

Movie: "Spring" Episode 6
19:00

News Mongolia
19:15

Taste of Mongolia: Mongolian Fusion Foods with Chef Boldoo
19:40

MNB WORLD Weather Today
19:45

Documentary: Climate change in Mongolia
20:00

Concert: Man and Nature
20:30

Heritage: Archeology Part 1
21:00

News Mongolia
21:15

Society: New Employee #6
22:15

MNB WORLD presents
22:20

Movie: "Spring" Episode 11
23:00

News Mongolia
23:15

End of Broadcast

2023-03-25 Бямба гараг

08:00

This Week
08:20

Society: Golden Tether #12
09:00

Heritage: The praising of Gobi
10:00

This Week
10:20

Sightline #147: Justine Coulson, UNFPA Representative to China and Country Director for UNFPA in Mongolia
10:40

MNB WORLD Eye on UB #9
10:55

Heritage: Beauty of Long Song
11:00

MNB WORLD Mongolian Cultural Days In Kuwait And Qatar #2
11:10

Heritage: Never Forget #2
11:45

Movie: Golden Palace
13:00

This Week
13:20

Society: Golden Tether #12
14:00

Heritage: The praising of Gobi
15:00

This Week
15:20

Sightline #147: Justine Coulson, UNFPA Representative to China and Country Director for UNFPA in Mongolia
15:40

MNB WORLD Eye on UB #9
15:55

Heritage: Beauty of Long Song
16:00

MNB WORLD Mongolian Cultural Days In Kuwait And Qatar #2
16:10

Heritage: Never Forget #2
16:45

Society: Golden Tether #12
17:25

Heritage: Holy Incense
17:45

Movie: Golden Palace
19:00

This Week
19:20

Society: Golden Tether #12
20:00

Heritage: The praising of Gobi
21:00

This Week
21:20

MNB WORLD Eye on UB #9
21:35

MNB WORLD Mongolian Cultural Days In Kuwait And Qatar #2
21:45

Movie: Golden Palace
23:00

End of Broadcast

2023-03-26 Ням гараг

08:00

Explore Mongolia: Adventure Travel
08:30

Heritage: Four Seasons
09:00

Society: New Employee #6
10:00

Economic review: Cycle #73
10:10

Society: Never Forget #2
10:45

Kids Time: Adventure of Bibi
11:00

MNB WORLD CAMEL FESTIVAL 2023 #2
11:20

Heritage: Musical Notation
11:40

Movie: Khukhuu is about to get Married
13:00

Explore Mongolia: Adventure Travel
13:30

Heritage: Four Seasons
14:00

Society: New Employee #6
15:00

Economic review: Cycle #73
15:10

Society: Never Forget #2
15:45

Kids Time: Adventure of Bibi
16:00

MNB WORLD CAMEL FESTIVAL 2023 #2
16:20

Heritage: Musical Notation
16:40

Movie: Khukhuu is about to get Married
18:00

Explore Mongolia: Adventure Travel
18:30

Heritage: Four Seasons
19:00

Society: New Employee #6
20:00

Economic review: Cycle #73
20:10

Society: Never Forget #2
20:45

Kids Time: Adventure of Bibi
21:00

MNB WORLD CAMEL FESTIVAL 2023 #2
21:20

Heritage: Musical Notation
21:40

Movie: Khukhuu is about to get Married
23:00

End of Broadcast

2023-03-27 Даваа гараг

08:00

Explore Mongolia: Adventure Travel
08:30

Heritage: Four seasons #4
09:00

Society: New Employee #6
10:00

Economic review: Cycle #73
10:10

Society: Never Forget #2
10:45

Kids Time: Adventure of Bibi
11:00

MNB WORLD CAMEL FESTIVAL 2023 #2
11:20

Heritage: Musical Notation
11:40

Movie: Khukhuu is about to get Married
13:00

World News
13:10

History of Mongolia #4: The Great Mongol Empire
13:45

Heritage: Burial Mounds
14:00

Sightline #148: T. Munkh - Od , Head of the Tourism Regulation Department at the Ministry of Environment and Tourism
14:20

MNB WORLD Weather Today
14:25

Heritage: Mongolian Herder Family
15:00

World News
15:10

Heritage: Han shi festival
15:35

Passion: Lodoidamba and the Beatles
16:35

Scientific Mongolians #3: SAMO, food research industry
17:00

World News
17:10

Heritage: Herder Enkhmaa
17:20

Concert: Cultural Treasure
18:20

Movie: "Spring" episode 12
19:00

News Mongolia
19:15

History of Mongolia #4: The Great Mongol Empire
19:50

Heritage: Burial Mounds
20:05

Sightline #148: T. Munkh - Od , Head of the Tourism Regulation Department at the Ministry of Environment and Tourism
20:25

Heritage: Mongolian Herder Family
21:00

News Mongolia
21:15

Heritage: Han shi festival
21:40

MNB WORLD Weather Today
21:45

MNB WORLD Gangaamaa - Conquering K2
22:20

Movie: "Spring" episode 12
23:00

News Mongolia
23:15

End of Broadcast

2023-03-28 Мягмар гараг

08:00

News Mongolia
08:15

Environment 18: Trip to the Darkhad Valley
08:40

MNB WORLD Weather Today
08:45

Taste of Mongolia: Nargie’s cuisine Khorkhog
09:00

Generation #24: Damchaa
09:20

MNB WORLD The Last Nomads and Independence
09:40

Documentary: Melody
10:00

News Mongolia
10:15

Explore Mongolia: Ice festival part 1
10:25

Society: Grean Arrow #3
11:25

Passion: Long Song Singer
12:05

Heritage: Khovd City
12:20

Movie: "Spring" Episode 13
13:00

World News
13:10

Environment 18: Trip to the Darkhad Valley
13:35

MNB WORLD Weather Today
13:40

Taste of Mongolia: Nargie’s cuisine Khorkhog
13:55

Generation #2: Damchaa
14:15

MNB WORLD The Last Nomads and Independence
14:35

Documentary: Melody
14:55

MNB WORLD presents
15:00

World News
15:10

Explore Mongolia: Ice festival part 1
15:20

Society: Grean Arrow #3
16:20

Passion: Long Song Singer
17:00

World News
17:10

Passion: Nonstop Odgerel
17:45

Heritage: Sutras Wrapper
18:05

MNB Music KADR
18:20

Movie: "Spring" Episode 13
19:00

News Mongolia
19:15

Environment 18: Trip to the Darkhad Valley
19:40

MNB WORLD Weather Today
19:45

Taste of Mongolia: Nargie’s cuisine Khorkhog
20:00

Generation #24: Damchaa
20:20

MNB WORLD The Last Nomads and Independence
20:40

Documentary: Melody
21:00

News Mongolia
21:15

Passion: Nonstop Odgerel
21:50

Heritage: Sutras Wrapper
22:10

MNB Music Nisvanis
22:20

Movie: "Spring" Episode 13
23:00

News Mongolia
23:15

End of Broadcast

2023-03-29 Лхагва гараг

08:00

News Mongolia
08:15

Places to go #10: Theater Museum
08:40

Taste of Mongolia: Khan’s Kitchen LAMB LEGS
08:55

MNB WORLD Weather Today
09:00

MNB WORLD Talk Scoop #74: Bayarmaa
09:30

Heritage: Mongolian ger
10:00

News Mongolia
10:15

MNB WORLD The City of Nomads
10:45

Taste of Mongolia: Mongolian Cuisine TSAGAAN SAR FOODS
11:00

Heritage: Patterns
11:20

MNB WORLD We love women
11:40

Documentary: Road to Rerich
12:20

Movie: "Spring" Episode 14
13:00

World News
13:10

Places to go #10: Theater Museum
13:35

Taste of Mongolia: LAMB LEGS
13:50

MNB WORLD Weather Today
13:55

MNB WORLD Talk Scoop #74: Bayarmaa
14:25

Heritage: Mongolian ger
14:55

MNB WORLD presents
15:00

World News
15:10

Taste of Mongolia: Funky Ger
15:40

MNB WORLD The City of Nomads
16:10

Taste of Mongolia: Mongolian Cuisine TSAGAAN SAR FOODS
16:25

Heritage: Patterns
16:40

MNB WORLD We love women
17:00

World News
17:10

MNB WORLD We love women
17:30

Mongolian Grand Theatre of National Arts presents
17:40

Documentary: Road to Rerich
18:20

Movie: "Spring" Episode 14
19:00

News Mongolia
19:15

Places to go #10: Theater Museum
19:40

Taste of Mongolia: LAMB LEGS
19:55

MNB WORLD Weather Today
20:00

MNB WORLD Talk Scoop #74: Bayarmaa
20:30

Heritage: Mongolian ger
21:00

News Mongolia
21:15

MNB WORLD The City of Nomads
21:45

Taste of Mongolia: Mongolian Cuisine TSAGAAN SAR FOODS
22:00

MNB WORLD We love women
22:20

Movie: "Spring" Episode 14
23:00

News Mongolia
23:15

End of Broadcast

2023-03-30 Пүрэв гараг

08:00

News Mongolia
08:15

Environment 19: Horseback trip to Ulaan taiga forest
08:45

MNB WORLD Gobi March 2019
09:05

Passion #20: Lawyer
09:30

MNB WORLD Weather Today
09:35

Heritage: Mongolian Metal Craftsmanship
10:00

News Mongolia
10:15

Sketch #2: Boho brand
10:30

MNB WORLD One will, different prayers
11:00

MNB WORLD I am Mongolian #1: Erdenesuvd
11:10

Taste of Mongolia: Kingston Rudieska
11:35

Society: Driver's Insurance
12:05

MNB Music KADR
12:20

Movie: "Spring" Episode 15
13:00

World News
13:10

Environment 19: Horseback trip to Ulaan taiga forest
13:40

MNB WORLD Gobi March 2019
14:00

Passion #20: Lawyer
14:25

MNB WORLD Weather Today
14:30

Heritage: Mongolian Metal Craftsmanship
14:55

MNB WORLD presents
15:00

World News
15:10

Heritage: Ocean of Stories
15:30

MNB WORLD One will, different prayers
16:00

MNB WORLD I am Mongolian #1: Erdenesuvd
16:10

Taste of Mongolia: Kingston Rudieska
16:35

Heritage: Four Seasons #2
17:00

World News
17:10

Beauty of Long Song
17:20

Concert: SOYOL ERDENE 4
18:20

Movie: "Spring" Episode 15
19:00

News Mongolia
19:15

Environment 19: Horseback trip to Ulaan taiga forest
19:45

MNB WORLD Gobi March 2019
20:05

Passion #20: Lawyer
20:30

MNB WORLD Weather Today
20:35

Heritage: Mongolian Metal Craftsmanship
21:00

News Mongolia
21:15

Heritage: Ocean of Stories
21:35

Heritage: Four Seasons #2
22:00

MNB WORLD I am Mongolian #1: Erdenesuvd
22:10

Beauty of Long Song
22:20

Movie: "Spring" Episode 15
23:00

News Mongolia
23:15

End of Broadcast

2023-03-31 Баасан гараг

08:00

News Mongolia
08:15

Documentary: Queen of the Altai Mountain
08:40

MNB WORLD Weather Today
08:45

MNB WORLD Evolution of coin
09:00

Heritage: Eyes of Wisdom Teacher
09:30

Heritage: Archeology Part 2
10:00

News Mongolia
10:15

MNB WORLD Desert Pearl-Kuwait
10:45

Taste of Mongolia: Nargie’s cuisine Rib buuz
11:00

MNB WORLD: Kazakh family celebrating Nauryz
11:20

MNB WORLD PRESENTS
11:30

Society: Our Dear Parents #3
12:20

Movie: "Spring" Episode 16
13:00

World News
13:10

Documentary: Queen of the Altai Mountain
13:35

MNB WORLD Weather Today
13:40

MNB WORLD Evolution of coin
13:55

Heritage: Eyes of Wisdom Teacher
14:25

Heritage: Archeology Part 2
14:55

MNB WORLD presents
15:00

World News
15:10

MNB WORLD Desert Pearl-Kuwait
15:40

Taste of Mongolia: Mongolian Food Views Breakfast & Lunch
16:00

MNB WORLD: Kazakh family celebrating Nauryz
16:20

Heritage: Nomadic Life #4
16:55

MNB WORLD Weather Today
17:00

World News
17:10

Documentary: Climate change in Mongolia
17:25

Society: Our Dear Parents #2
18:20

Movie: "Spring" Episode 16
19:00

News Mongolia
19:15

Documentary: Queen of the Altai Mountain
19:40

MNB WORLD Weather Today
19:45

MNB WORLD The Notes from Nur-Sultan
20:05

Heritage: Eyes of Wisdom Teacher
20:35

Heritage: Archeology Part 2
21:05

News Mongolia
21:20

Taste of Mongolia: Nargie’s cuisine Rib buuz
21:35

MNB WORLD: Kazakh family celebrating Nauryz
21:55

Heritage: Moving Through Khoridol Saridag Mountain
22:20

Movie: "Spring" Episode 16
23:00

News Mongolia
23:15

End of Broadcast

2023-04-01 Бямба гараг

08:00

This Week
08:20

Society: Golden Tether #13
09:00

Sightline #148: T.Munkh - Od , Head of the Tourism Regulation Department at the Ministry of Environment and Tourism
09:20

Heritage: Traditional Craftsmanship of the Mongolian Ger and Associated Customs
09:55

Concert: Sharav 70 part1
11:35

Movie: Sheep Festivity
13:00

This Week
13:20

Society: Golden Tether #13
14:00

Sightline #148: T.Munkh - Od , Head of the Tourism Regulation Department at the Ministry of Environment and Tourism
14:20

Heritage: Traditional Craftsmanship of the Mongolian Ger and Associated Customs
14:55

Concert: Sharav 70 part1
16:35

Movie: Sheep Festivity
18:00

Sightline #148: T.Munkh - Od , Head of the Tourism Regulation Department at the Ministry of Environment and Tourism
18:20

Society: Golden Tether #13
19:00

This Week
19:20

MNB WORLD: Her rights full
20:25

Beauty of Long Song
20:30

Heritage: Cultural heritage of Darkhad people
21:00

This Week
21:20

MNB WORLD Blank Slate
21:35

Movie: Sheep Festivity
23:00

End of Broadcast

2023-04-02 Ням гараг

08:00

Explore Mongolia: Cultural Travel
08:30

Society: Life style
09:00

MNB WORLD: Kazakh family celebrating Nauryz
09:20

Heritage: Mongol Khuumei Today
10:00

MNB WORLD I am Mongolian #1: Erdenesuvd
10:10

Kids Time: Adventure of Bibi
10:25

Society: Never Forget #3
11:00

MNB WORLD presents
11:05

Movie: Bogd Khan
13:00

Explore Mongolia: Cultural Travel
13:30

Society: Life style
14:00

MNB WORLD: Kazakh family celebrating Nauryz
14:20

Heritage: Mongol Khuumei Today
15:00

MNB WORLD I am Mongolian #1: Erdenesuvd
15:10

Kids Time: Adventure of Bibi
15:25

Society: Never Forget #3
16:00

MNB WORLD presents
16:05

Movie: Bogd Khan
18:00

Explore Mongolia: Cultural Travel
18:30

Society: Life style
19:00

MNB WORLD: Kazakh family celebrating Nauryz
19:20

Heritage: Mongol Khuumei Today
20:00

MNB WORLD I am Mongolian #1: Erdenesuvd
20:10

Kids Time: Adventure of Bibi
20:25

Society: Never Forget #3
21:00

MNB WORLD presents
21:05

Movie: Bogd Khan
23:00

End of Broadcast