"Fri, 20 Sep 2024 12:15:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
12:15:04
General datetime
2024-09-20 12:15:04Z
For Database
2024-09-20 12:15:04
For HTTP1.1
Fri, 20 Sep 2024 12:15:04 GMT