"Tue, 17 Sep 2024 18:51:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240917
Only TIME
18:51:21
General datetime
2024-09-17 18:51:21Z
For Database
2024-09-17 18:51:21
For HTTP1.1
Tue, 17 Sep 2024 18:51:21 GMT