"Sun, 22 Dec 2024 09:15:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
09:15:37
General datetime
2024-12-22 09:15:37Z
For Database
2024-12-22 09:15:37
For HTTP1.1
Sun, 22 Dec 2024 09:15:37 GMT