"Sat, 20 Jul 2024 20:06:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
20:06:31
General datetime
2024-07-20 20:06:31Z
For Database
2024-07-20 20:06:31
For HTTP1.1
Sat, 20 Jul 2024 20:06:31 GMT