"Sat, 31 Jan 1970 15:05:45"

Convert date and time to unixtime.

2646345

Another datetime format string at UTC

YYYYMMDD
19700131

Only TIME
15:05:45

General datetime
1970-01-31 15:05:45Z

For Database
1970-01-31 15:05:45

For HTTP1.1
Sat, 31 Jan 1970 15:05:45 GMT


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