"Fri, 20 Dec 2024 18:58:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
18:58:47
General datetime
2024-12-20 18:58:47Z
For Database
2024-12-20 18:58:47
For HTTP1.1
Fri, 20 Dec 2024 18:58:47 GMT