"Sun, 22 Dec 2024 20:39:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241222
Only TIME
20:39:01
General datetime
2024-12-22 20:39:01Z
For Database
2024-12-22 20:39:01
For HTTP1.1
Sun, 22 Dec 2024 20:39:01 GMT