"Sat, 20 Jul 2024 21:22:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
21:22:18
General datetime
2024-07-20 21:22:18Z
For Database
2024-07-20 21:22:18
For HTTP1.1
Sat, 20 Jul 2024 21:22:18 GMT