"Fri, 23 Jan 1970 20:43:16"

Convert date and time to unixtime.

1975396

Another datetime format string at UTC

YYYYMMDD
19700123

Only TIME
20:43:16

General datetime
1970-01-23 20:43:16Z

For Database
1970-01-23 20:43:16

For HTTP1.1
Fri, 23 Jan 1970 20:43:16 GMT


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