"Sat, 24 Jan 1970 00:39:43"

Convert date and time to unixtime.

1989583

Another datetime format string at UTC

YYYYMMDD
19700124

Only TIME
00:39:43

General datetime
1970-01-24 00:39:43Z

For Database
1970-01-24 00:39:43

For HTTP1.1
Sat, 24 Jan 1970 00:39:43 GMT

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