"Sun, 04 Jan 1970 04:42:16"

Convert date and time to unixtime.

276136

Another datetime format string at UTC

YYYYMMDD
19700104

Only TIME
04:42:16

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

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

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


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