This topic describes the common time zones that are supported by ApsaraDB RDS for MySQL instances and ApsaraDB RDS for PostgreSQL instances. The topic also describes the default time zones for ApsaraDB RDS for PostgreSQL instances if no time zones are specified for these instances. The default time zone of an ApsaraDB RDS for PostgreSQL instance varies based on the region in which the instance resides.
Common time zones for ApsaraDB RDS for MySQL instances and ApsaraDB RDS for PostgreSQL instances
| Area | Time zone |
| Africa | Africa/Cairo, Africa/Casablanca, Africa/Harare, Africa/Monrovia, Africa/Nairobi, Africa/Tripoli, and Africa/Windhoek |
| America | America/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 |
| Asia | Asia/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 |
| Atlantic | Atlantic/Azores |
| Australia | Australia/Adelaide, Australia/Brisbane, Australia/Darwin, Australia/Hobart, Australia/Perth, and Australia/Sydney |
| Brazil | Brazil/East |
| Canada | Canada/Newfoundland and Canada/Saskatchewan |
| Europe | Europe/Amsterdam, Europe/Athens, Europe/Dublin, Europe/Helsinki, Europe/Istanbul, Europe/Kaliningrad, Europe/Moscow, Europe/Paris, Europe/Prague, and Europe/Sarajevo |
| Pacific | Pacific/Auckland, Pacific/Fiji, Pacific/Guam, Pacific/Honolulu, and Pacific/Samoa |
| US | US/Alaska, US/Central, US/East-Indiana, US/Eastern, US/Pacific |
Default time zones for ApsaraDB RDS for PostgreSQL instances
| Region | Region ID | Time zone |
| China (Hangzhou) | cn-hangzhou | Asia/Shanghai |
| China (Shanghai) | cn-shanghai | Asia/Shanghai |
| China (Nanjing) | cn-nanjing | Asia/Shanghai |
| China (Qingdao) | cn-qingdao | Asia/Shanghai |
| China (Beijing) | cn-beijing | Asia/Shanghai |
| China (Zhangjiakou) | cn-zhangjiakou | Asia/Shanghai |
| China (Hohhot) | cn-huhehaote | Asia/Shanghai |
| China (Ulanqab) | cn-wulanchabu | Asia/Shanghai |
| China (Shenzhen) | cn-shenzhen | Asia/Shanghai |
| China (Heyuan) | cn-heyuan | Asia/Shanghai |
| China (Guangzhou) | cn-guangzhou | Asia/Shanghai |
| China (Chengdu) | cn-chengdu | Asia/Shanghai |
| China (Hong Kong) | cn-hongkong | Asia/Hong_Kong |
| Singapore (Singapore) | ap-southeast-1 | Asia/Singapore |
| Australia (Sydney) | ap-southeast-2 | Australia/Sydney |
| Malaysia (Kuala Lumpur) | ap-southeast-3 | Asia/Kuala_Lumpur |
| Indonesia (Jakarta) | ap-southeast-5 | Asia/Jakarta |
| Japan (Tokyo) | ap-northeast-1 | Asia/Tokyo |
| Germany (Frankfurt) | eu-central-1 | Europe/Berlin |
| UK (London) | eu-west-1 | Europe/London |
| US (Silicon Valley) | us-west-1 | America/Los_Angeles |
| US (Virginia) | us-east-1 | America/New_York |
| India (Mumbai) | ap-south-1 | Asia/Kolkata |
| UAE (Dubai) | me-east-1 | Asia/Dubai |