"Sat, 03 Jan 1970 02:27:38"

Convert date and time to unixtime.

181658

Another datetime format string at UTC

YYYYMMDD
19700103

Only TIME
02:27:38

General datetime
1970-01-03 02:27:38Z

For Database
1970-01-03 02:27:38

For HTTP1.1
Sat, 03 Jan 1970 02:27:38 GMT


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