"Sun, 05 Jan 2025 06:35:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
06:35:45
General datetime
2025-01-05 06:35:45Z
For Database
2025-01-05 06:35:45
For HTTP1.1
Sun, 05 Jan 2025 06:35:45 GMT