"Fri, 16 Jan 1970 04:42:15"

Convert date and time to unixtime.

1312935

Another datetime format string at UTC

YYYYMMDD
19700116

Only TIME
04:42:15

General datetime
1970-01-16 04:42:15Z

For Database
1970-01-16 04:42:15

For HTTP1.1
Fri, 16 Jan 1970 04:42:15 GMT


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