"Sun, 05 Jan 2025 19:39:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
19:39:56
General datetime
2025-01-05 19:39:56Z
For Database
2025-01-05 19:39:56
For HTTP1.1
Sun, 05 Jan 2025 19:39:56 GMT