"Sun, 08 Dec 2024 20:15:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
20:15:10
General datetime
2024-12-08 20:15:10Z
For Database
2024-12-08 20:15:10
For HTTP1.1
Sun, 08 Dec 2024 20:15:10 GMT