"Sat, 14 Sep 2024 20:21:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:21:44
General datetime
2024-09-14 20:21:44Z
For Database
2024-09-14 20:21:44
For HTTP1.1
Sat, 14 Sep 2024 20:21:44 GMT