"Sun, 08 Dec 2024 20:43:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
20:43:15
General datetime
2024-12-08 20:43:15Z
For Database
2024-12-08 20:43:15
For HTTP1.1
Sun, 08 Dec 2024 20:43:15 GMT