"Sat, 14 Sep 2024 20:21:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:21:40
General datetime
2024-09-14 20:21:40Z
For Database
2024-09-14 20:21:40
For HTTP1.1
Sat, 14 Sep 2024 20:21:40 GMT