"Sun, 12 Jan 2025 08:43:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250112
Only TIME
08:43:15
General datetime
2025-01-12 08:43:15Z
For Database
2025-01-12 08:43:15
For HTTP1.1
Sun, 12 Jan 2025 08:43:15 GMT