"Sun, 22 Dec 2024 17:45:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
17:45:14
General datetime
2024-12-22 17:45:14Z
For Database
2024-12-22 17:45:14
For HTTP1.1
Sun, 22 Dec 2024 17:45:14 GMT