"Sat, 14 Sep 2024 20:12:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:12:36
General datetime
2024-09-14 20:12:36Z
For Database
2024-09-14 20:12:36
For HTTP1.1
Sat, 14 Sep 2024 20:12:36 GMT