"Sat, 14 Sep 2024 23:45:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
23:45:45
General datetime
2024-09-14 23:45:45Z
For Database
2024-09-14 23:45:45
For HTTP1.1
Sat, 14 Sep 2024 23:45:45 GMT