"Sat, 14 Sep 2024 15:40:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
15:40:45
General datetime
2024-09-14 15:40:45Z
For Database
2024-09-14 15:40:45
For HTTP1.1
Sat, 14 Sep 2024 15:40:45 GMT