"Sat, 14 Sep 2024 12:45:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
12:45:19
General datetime
2024-09-14 12:45:19Z
For Database
2024-09-14 12:45:19
For HTTP1.1
Sat, 14 Sep 2024 12:45:19 GMT