"Sat, 03 Aug 2024 14:12:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
14:12:11
General datetime
2024-08-03 14:12:11Z
For Database
2024-08-03 14:12:11
For HTTP1.1
Sat, 03 Aug 2024 14:12:11 GMT