"Sat, 21 Sep 2024 11:13:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
11:13:19
General datetime
2024-09-21 11:13:19Z
For Database
2024-09-21 11:13:19
For HTTP1.1
Sat, 21 Sep 2024 11:13:19 GMT