"Mon, 19 Jan 1970 00:54:46"

Convert date and time to unixtime.

1558486

Another datetime format string at UTC

YYYYMMDD
19700119

Only TIME
00:54:46

General datetime
1970-01-19 00:54:46Z

For Database
1970-01-19 00:54:46

For HTTP1.1
Mon, 19 Jan 1970 00:54:46 GMT


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