"Sat, 17 Jan 1970 21:45:46"

Convert date and time to unixtime.

1460746

Another datetime format string at UTC

YYYYMMDD
19700117

Only TIME
21:45:46

General datetime
1970-01-17 21:45:46Z

For Database
1970-01-17 21:45:46

For HTTP1.1
Sat, 17 Jan 1970 21:45:46 GMT


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