"Sun, 18 Jan 1970 18:12:59"

Convert date and time to unixtime.

1534379

Another datetime format string at UTC

YYYYMMDD
19700118

Only TIME
18:12:59

General datetime
1970-01-18 18:12:59Z

For Database
1970-01-18 18:12:59

For HTTP1.1
Sun, 18 Jan 1970 18:12:59 GMT


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