"Sat, 03 Aug 2024 12:21:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
12:21:13
General datetime
2024-08-03 12:21:13Z
For Database
2024-08-03 12:21:13
For HTTP1.1
Sat, 03 Aug 2024 12:21:13 GMT