"Sat, 20 Jul 2024 13:54:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
13:54:47
General datetime
2024-07-20 13:54:47Z
For Database
2024-07-20 13:54:47
For HTTP1.1
Sat, 20 Jul 2024 13:54:47 GMT