"Sat, 14 Sep 2024 12:49:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
12:49:23
General datetime
2024-09-14 12:49:23Z
For Database
2024-09-14 12:49:23
For HTTP1.1
Sat, 14 Sep 2024 12:49:23 GMT