"Fri, 20 Dec 2024 23:47:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
23:47:44
General datetime
2024-12-20 23:47:44Z
For Database
2024-12-20 23:47:44
For HTTP1.1
Fri, 20 Dec 2024 23:47:44 GMT