"Sun, 29 Dec 2024 17:45:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241229
Only TIME
17:45:38
General datetime
2024-12-29 17:45:38Z
For Database
2024-12-29 17:45:38
For HTTP1.1
Sun, 29 Dec 2024 17:45:38 GMT