"Sun, 08 Dec 2024 21:50:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
21:50:39
General datetime
2024-12-08 21:50:39Z
For Database
2024-12-08 21:50:39
For HTTP1.1
Sun, 08 Dec 2024 21:50:39 GMT