"Tue, 27 Jan 1970 18:12:48"

Convert date and time to unixtime.

2311968

Another datetime format string at UTC

YYYYMMDD
19700127

Only TIME
18:12:48

General datetime
1970-01-27 18:12:48Z

For Database
1970-01-27 18:12:48

For HTTP1.1
Tue, 27 Jan 1970 18:12:48 GMT


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