"Sun, 05 Jan 2025 21:49:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
21:49:53
General datetime
2025-01-05 21:49:53Z
For Database
2025-01-05 21:49:53
For HTTP1.1
Sun, 05 Jan 2025 21:49:53 GMT