"Sat, 14 Sep 2024 20:18:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:18:37
General datetime
2024-09-14 20:18:37Z
For Database
2024-09-14 20:18:37
For HTTP1.1
Sat, 14 Sep 2024 20:18:37 GMT