"Sun, 22 Dec 2024 20:36:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
20:36:38
General datetime
2024-12-22 20:36:38Z
For Database
2024-12-22 20:36:38
For HTTP1.1
Sun, 22 Dec 2024 20:36:38 GMT