"Sat, 03 Aug 2024 12:38:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
12:38:23
General datetime
2024-08-03 12:38:23Z
For Database
2024-08-03 12:38:23
For HTTP1.1
Sat, 03 Aug 2024 12:38:23 GMT