"Fri, 20 Dec 2024 03:48:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
03:48:40
General datetime
2024-12-20 03:48:40Z
For Database
2024-12-20 03:48:40
For HTTP1.1
Fri, 20 Dec 2024 03:48:40 GMT