This topic describes the common time zones and default time zones of ApsaraDB RDS for PostgreSQL instances. The default time zone of an ApsaraDB RDS for PostgreSQL instance varies based on the region where the instance resides.

Common time zones

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, and US/East-Indiana

Default time zones

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