"Sun, 08 Dec 2024 19:38:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
19:38:42
General datetime
2024-12-08 19:38:42Z
For Database
2024-12-08 19:38:42
For HTTP1.1
Sun, 08 Dec 2024 19:38:42 GMT