"Sun, 08 Dec 2024 06:12:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
06:12:15
General datetime
2024-12-08 06:12:15Z
For Database
2024-12-08 06:12:15
For HTTP1.1
Sun, 08 Dec 2024 06:12:15 GMT