"Sat, 03 Aug 2024 13:33:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
13:33:15
General datetime
2024-08-03 13:33:15Z
For Database
2024-08-03 13:33:15
For HTTP1.1
Sat, 03 Aug 2024 13:33:15 GMT