"Sun, 08 Dec 2024 17:45:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
17:45:40
General datetime
2024-12-08 17:45:40Z
For Database
2024-12-08 17:45:40
For HTTP1.1
Sun, 08 Dec 2024 17:45:40 GMT