"Fri, 13 Dec 2024 18:54:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241213
Only TIME
18:54:01
General datetime
2024-12-13 18:54:01Z
For Database
2024-12-13 18:54:01
For HTTP1.1
Fri, 13 Dec 2024 18:54:01 GMT