"Sat, 14 Sep 2024 15:48:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:48:43
General datetime
2024-09-14 15:48:43Z
For Database
2024-09-14 15:48:43
For HTTP1.1
Sat, 14 Sep 2024 15:48:43 GMT