"Tue, 17 Sep 2024 18:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240917
Only TIME
18:40:12
General datetime
2024-09-17 18:40:12Z
For Database
2024-09-17 18:40:12
For HTTP1.1
Tue, 17 Sep 2024 18:40:12 GMT