"Sun, 12 Jan 2025 14:21:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
14:21:54
General datetime
2025-01-12 14:21:54Z
For Database
2025-01-12 14:21:54
For HTTP1.1
Sun, 12 Jan 2025 14:21:54 GMT