"Sat, 31 Jan 1970 19:42:47"

Convert date and time to unixtime.

2662967

Another datetime format string at UTC

YYYYMMDD
19700131

Only TIME
19:42:47

General datetime
1970-01-31 19:42:47Z

For Database
1970-01-31 19:42:47

For HTTP1.1
Sat, 31 Jan 1970 19:42:47 GMT


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