"Sun, 29 Sep 2024 18:31:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240929
Only TIME
18:31:31
General datetime
2024-09-29 18:31:31Z
For Database
2024-09-29 18:31:31
For HTTP1.1
Sun, 29 Sep 2024 18:31:31 GMT