"Fri, 02 Jan 1970 00:55:00"

Convert date and time to unixtime.

89700

Another datetime format string at UTC

YYYYMMDD
19700102

Only TIME
00:55:00

General datetime
1970-01-02 00:55:00Z

For Database
1970-01-02 00:55:00

For HTTP1.1
Fri, 02 Jan 1970 00:55:00 GMT

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