"Sun, 11 Jan 1970 01:00:45"

Convert date and time to unixtime.

867645

Another datetime format string at UTC

YYYYMMDD
19700111

Only TIME
01:00:45

General datetime
1970-01-11 01:00:45Z

For Database
1970-01-11 01:00:45

For HTTP1.1
Sun, 11 Jan 1970 01:00:45 GMT

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