使用支持的时区
您可以使用 SELECT timestamp
语句中的 AT TIME ZONE
运算符指定返回时间戳的时区,如以下示例所示:
SELECT timestamp '2012-10-31 01:00 UTC' AT TIME ZONE 'America/Los_Angeles' AS la_time;
结果
la_time 2012-10-30 18:00:00.000 America/Los_Angeles
有关在 Athena 中支持的时区列表,请展开本主题末尾的支持的时区列表。
时区函数和示例
以下是一些其他时区相关函数和示例。
-
at_timezone(
时间戳
、区域
)— 返回在相应区域
当地时间的时间戳
值。示例
SELECT at_timezone(timestamp '2021-08-22 00:00 UTC', 'Canada/Newfoundland')
结果
2021-08-21 21:30:00.000 Canada/Newfoundland
-
timezone_hour(
时间戳
)— 返回时区与时间戳偏移的小时数作为bigint
。示例
SELECT timezone_hour(timestamp '2021-08-22 04:00 UTC' AT TIME ZONE 'Canada/Newfoundland')
结果
-2
-
timezone_minute(
时间戳
)— 返回时区与时间戳
偏移的分钟数作为bigint
。示例
SELECT timezone_minute(timestamp '2021-08-22 04:00 UTC' AT TIME ZONE 'Canada/Newfoundland')
结果
-30
-
with_timezone(
时间戳
、区域
)— 从指定的时间戳
和区域
值返回带时区的时间戳。示例
SELECT with_timezone(timestamp '2021-08-22 04:00', 'Canada/Newfoundland')
结果
2021-08-22 04:00:00.000 Canada/Newfoundland
下面的列表包含了可与 Athena 中 AT TIME
ZONE
运算符共同使用的时区。有关其他时区相关函数和示例,请参阅 时区函数和示例。
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