"Thu, 19 Dec 2024 17:45:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241219
Only TIME
17:45:25
General datetime
2024-12-19 17:45:25Z
For Database
2024-12-19 17:45:25
For HTTP1.1
Thu, 19 Dec 2024 17:45:25 GMT