"Sun, 29 Dec 2024 09:45:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
09:45:56
General datetime
2024-12-29 09:45:56Z
For Database
2024-12-29 09:45:56
For HTTP1.1
Sun, 29 Dec 2024 09:45:56 GMT