"Sun, 18 Jan 1970 11:04:23"

Convert date and time to unixtime.

1508663

Another datetime format string at UTC

YYYYMMDD
19700118

Only TIME
11:04:23

General datetime
1970-01-18 11:04:23Z

For Database
1970-01-18 11:04:23

For HTTP1.1
Sun, 18 Jan 1970 11:04:23 GMT


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