"Sat, 20 Jul 2024 21:51:22"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
21:51:22
General datetime
2024-07-20 21:51:22Z
For Database
2024-07-20 21:51:22
For HTTP1.1
Sat, 20 Jul 2024 21:51:22 GMT