"Sun, 29 Dec 2024 14:55:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
14:55:48
General datetime
2024-12-29 14:55:48Z
For Database
2024-12-29 14:55:48
For HTTP1.1
Sun, 29 Dec 2024 14:55:48 GMT