"Sun, 08 Dec 2024 15:36:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
15:36:45
General datetime
2024-12-08 15:36:45Z
For Database
2024-12-08 15:36:45
For HTTP1.1
Sun, 08 Dec 2024 15:36:45 GMT