"Sat, 14 Sep 2024 18:21:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
18:21:58
General datetime
2024-09-14 18:21:58Z
For Database
2024-09-14 18:21:58
For HTTP1.1
Sat, 14 Sep 2024 18:21:58 GMT