"Sat, 03 Aug 2024 21:06:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
21:06:31
General datetime
2024-08-03 21:06:31Z
For Database
2024-08-03 21:06:31
For HTTP1.1
Sat, 03 Aug 2024 21:06:31 GMT