"Sat, 14 Sep 2024 20:40:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:40:47
General datetime
2024-09-14 20:40:47Z
For Database
2024-09-14 20:40:47
For HTTP1.1
Sat, 14 Sep 2024 20:40:47 GMT