"Sun, 08 Dec 2024 20:45:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
20:45:51
General datetime
2024-12-08 20:45:51Z
For Database
2024-12-08 20:45:51
For HTTP1.1
Sun, 08 Dec 2024 20:45:51 GMT