"Sat, 03 Aug 2024 08:37:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
08:37:21
General datetime
2024-08-03 08:37:21Z
For Database
2024-08-03 08:37:21
For HTTP1.1
Sat, 03 Aug 2024 08:37:21 GMT