"Sun, 08 Dec 2024 19:45:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
19:45:05
General datetime
2024-12-08 19:45:05Z
For Database
2024-12-08 19:45:05
For HTTP1.1
Sun, 08 Dec 2024 19:45:05 GMT