"Sun, 22 Dec 2024 22:21:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
22:21:35
General datetime
2024-12-22 22:21:35Z
For Database
2024-12-22 22:21:35
For HTTP1.1
Sun, 22 Dec 2024 22:21:35 GMT