"Sat, 20 Jul 2024 08:54:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
08:54:18
General datetime
2024-07-20 08:54:18Z
For Database
2024-07-20 08:54:18
For HTTP1.1
Sat, 20 Jul 2024 08:54:18 GMT