"Sat, 14 Sep 2024 13:48:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
13:48:42
General datetime
2024-09-14 13:48:42Z
For Database
2024-09-14 13:48:42
For HTTP1.1
Sat, 14 Sep 2024 13:48:42 GMT