"Fri, 20 Dec 2024 03:19:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
03:19:03
General datetime
2024-12-20 03:19:03Z
For Database
2024-12-20 03:19:03
For HTTP1.1
Fri, 20 Dec 2024 03:19:03 GMT