"Sat, 14 Sep 2024 21:21:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
21:21:46
General datetime
2024-09-14 21:21:46Z
For Database
2024-09-14 21:21:46
For HTTP1.1
Sat, 14 Sep 2024 21:21:46 GMT