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Asia/Ulaanbaatar

Asia/Ulaanbaatar is the IANA time zone for most of Mongolia in Mongolia.

UTC+08:00

Tue, Sep 29 UTC+8

Offsets and daylight saving time

Standard offset
UTC+08:00
Rule
No daylight saving time: UTC+8 all year.

No clock changes are scheduled in the next three years.

Names

Generic name
Ulaanbaatar Standard Time
Long name
Ulaanbaatar Standard Time
Aliases
Asia/Choibalsan and Asia/Ulan_Bator (old ids that resolve to Asia/Ulaanbaatar)

Use it in code

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'Asia/Ulaanbaatar' })

# Python
from zoneinfo import ZoneInfo
ZoneInfo('Asia/Ulaanbaatar')

-- PostgreSQL
SELECT now() AT TIME ZONE 'Asia/Ulaanbaatar';

Cities in Asia/Ulaanbaatar

Also in this zone: Erdenet, Darhan, Choibalsan, Mörön, Bayanhongor, Arvayheer, Dalandzadgad, Sühbaatar, Undurkhaan, Tsetserleg, Saynshand, Baruun-Urt, Altai, Bulgan, Dzuunmod, Uliastay.

Offset history since 1970

  • 1970–1977: UTC+7
  • 1978–1982: UTC+8
  • 1983–1998: UTC+8 and UTC+9 each year
  • 1999–2000: UTC+8
  • 2001–2006: UTC+8 and UTC+9 each year
  • 2007–2014: UTC+8
  • 2015–2016: UTC+8 and UTC+9 each year
  • 2017–2026: UTC+8

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