"Sun, 18 Jan 1970 04:37:43"

Convert date and time to unixtime.

1485463

Another datetime format string at UTC

YYYYMMDD
19700118

Only TIME
04:37:43

General datetime
1970-01-18 04:37:43Z

For Database
1970-01-18 04:37:43

For HTTP1.1
Sun, 18 Jan 1970 04:37:43 GMT


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