"Sat, 10 Jan 1970 18:12:01"

Convert date and time to unixtime.

843121

Another datetime format string at UTC

YYYYMMDD
19700110

Only TIME
18:12:01

General datetime
1970-01-10 18:12:01Z

For Database
1970-01-10 18:12:01

For HTTP1.1
Sat, 10 Jan 1970 18:12:01 GMT

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