"Sat, 20 Jul 2024 23:54:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
23:54:52
General datetime
2024-07-20 23:54:52Z
For Database
2024-07-20 23:54:52
For HTTP1.1
Sat, 20 Jul 2024 23:54:52 GMT