"Sun, 04 Jan 1970 01:20:45"

Convert date and time to unixtime.

264045

Another datetime format string at UTC

YYYYMMDD
19700104

Only TIME
01:20:45

General datetime
1970-01-04 01:20:45Z

For Database
1970-01-04 01:20:45

For HTTP1.1
Sun, 04 Jan 1970 01:20:45 GMT

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