"Wed, 28 Jan 1970 14:44:40"

Convert date and time to unixtime.

2385880

Another datetime format string at UTC

YYYYMMDD
19700128

Only TIME
14:44:40

General datetime
1970-01-28 14:44:40Z

For Database
1970-01-28 14:44:40

For HTTP1.1
Wed, 28 Jan 1970 14:44:40 GMT

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