"Mon, 05 Jan 1970 19:40:00"

Convert date and time to unixtime.

416400

Another datetime format string at UTC

YYYYMMDD
19700105

Only TIME
19:40:00

General datetime
1970-01-05 19:40:00Z

For Database
1970-01-05 19:40:00

For HTTP1.1
Mon, 05 Jan 1970 19:40:00 GMT


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