All Products
Search
Document Center

ApsaraDB RDS:Time zones

Last Updated:Mar 28, 2026

ApsaraDB RDS for MySQL and ApsaraDB RDS for PostgreSQL support named time zones based on the IANA tz database. Use this page to look up:

  • Time zone abbreviations accepted by RDS for MySQL instances and their corresponding IANA names

  • Named time zones available for both RDS for MySQL and RDS for PostgreSQL instances

  • Default time zones assigned to RDS for PostgreSQL instances by region

Time zone abbreviations for RDS for MySQL instances

The following table maps supported time zone abbreviations to their IANA time zone names. Use these values when setting the time_zone parameter to an abbreviation.

Some abbreviations are ambiguous across regions. In ApsaraDB RDS for MySQL, CST maps to UTC+08:00 (China Standard Time), not UTC-06:00 (North American Central Standard Time). In multi-region environments, use the full IANA name (for example, Asia/Shanghai) instead of an abbreviation to avoid misconfiguration.
Time zone abbreviationTime zone
AESTAustralia/Sydney
AEDTAustralia/Sydney
BSTEurope/London
CESTEurope/Berlin
CETEurope/Berlin
CST+08:00
EDTAmerica/New_York
ESTAustralia/Sydney
GSTAsia/Dubai
JSTAsia/Tokyo
PDTAmerica/Los_Angeles
PSTAmerica/Los_Angeles
WIBAsia/Jakarta

Common time zones for RDS for MySQL and RDS for PostgreSQL instances

The following named time zones are available for both RDS for MySQL and RDS for PostgreSQL instances. Set the time_zone parameter to any of these IANA time zone names.

AreaNamed time zone
AfricaAfrica/Cairo, Africa/Casablanca, Africa/Harare, Africa/Monrovia, Africa/Nairobi, Africa/Tripoli, and Africa/Windhoek
AmericaAmerica/Araguaina, America/Asuncion, America/Bogota, America/Caracas, America/Chihuahua, America/Cuiaba, America/Denver, America/Fortaleza, America/Guatemala, America/Halifax, America/Manaus, America/Matamoros, America/Monterrey, America/Montevideo, America/New_York, America/Phoenix, America/Santiago, and America/Tijiana
AsiaAsia/Amman, Asia/Ashgabat, Asia/Baghdad, Asia/Baku, Asia/Bangkok, Asia/Beirut, Asia/Calcutta, Asia/Damascus, Asia/Dhaka, Asia/Irkutsk, Asia/Jerusalem, Asia/Kabul, Asia/Karachi, Asia/Kathmandu, Asia/Krasnoyarsk, Asia/Madadan, Asia/Muscat, Asia/Novosibirsk, Asia/Riyadh, Asia/Seoul, Asia/Shanghai, Asia/Singapore, Asia/Taipei, Asia/Tehran, Asia/Tokyo, Asia/Ulaanbaatar, Asia/Vladivostok, Asia/Yakutsk, and Asia/Yerevan
AtlanticAtlantic/Azores
AustraliaAustralia/Adelaide, Australia/Brisbane, Australia/Darwin, Australia/Hobart, Australia/Perth, and Australia/Sydney
BrazilBrazil/East
CanadaCanada/Newfoundland and Canada/Saskatchewan
EuropeEurope/Amsterdam, Europe/Athens, Europe/Dublin, Europe/Helsinki, Europe/Istanbul, Europe/Kaliningrad, Europe/Moscow, Europe/Paris, Europe/Prague, and Europe/Sarajevo
PacificPacific/Auckland, Pacific/Fiji, Pacific/Guam, Pacific/Honolulu, and Pacific/Samoa
USUS/Alaska, US/Central, US/East-Indiana, US/Eastern, and US/Pacific

Default time zones for RDS for PostgreSQL instances by region

RDS for PostgreSQL assigns a default time zone to each instance based on its region. The following table lists the default time zone for each supported region.

RegionRegion IDDefault time zone
China (Hangzhou)cn-hangzhouAsia/Shanghai
China (Shanghai)cn-shanghaiAsia/Shanghai
China (Nanjing - Local Region)cn-nanjingAsia/Shanghai
China (Qingdao)cn-qingdaoAsia/Shanghai
China (Beijing)cn-beijingAsia/Shanghai
China (Zhangjiakou)cn-zhangjiakouAsia/Shanghai
China (Hohhot)cn-huhehaoteAsia/Shanghai
China (Ulanqab)cn-wulanchabuAsia/Shanghai
China (Shenzhen)cn-shenzhenAsia/Shanghai
China (Heyuan)cn-heyuanAsia/Shanghai
China (Guangzhou)cn-guangzhouAsia/Shanghai
China (Chengdu)cn-chengduAsia/Shanghai
China (Hong Kong)cn-hongkongAsia/Hong_Kong
Singaporeap-southeast-1Asia/Singapore
Malaysia (Kuala Lumpur)ap-southeast-3Asia/Kuala_Lumpur
Indonesia (Jakarta)ap-southeast-5Asia/Jakarta
Japan (Tokyo)ap-northeast-1Asia/Tokyo
Germany (Frankfurt)eu-central-1Europe/Berlin
UK (London)eu-west-1Europe/London
US (Silicon Valley)us-west-1America/Los_Angeles
US (Virginia)us-east-1America/New_York
UAE (Dubai)me-east-1Asia/Dubai