"Sun, 22 Dec 2024 21:36:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
21:36:17
General datetime
2024-12-22 21:36:17Z
For Database
2024-12-22 21:36:17
For HTTP1.1
Sun, 22 Dec 2024 21:36:17 GMT