"Sat, 14 Sep 2024 17:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
17:39:20
General datetime
2024-09-14 17:39:20Z
For Database
2024-09-14 17:39:20
For HTTP1.1
Sat, 14 Sep 2024 17:39:20 GMT