"Sat, 14 Sep 2024 16:40:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
16:40:48
General datetime
2024-09-14 16:40:48Z
For Database
2024-09-14 16:40:48
For HTTP1.1
Sat, 14 Sep 2024 16:40:48 GMT