"Sun, 26 Jan 2025 18:44:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
18:44:17
General datetime
2025-01-26 18:44:17Z
For Database
2025-01-26 18:44:17
For HTTP1.1
Sun, 26 Jan 2025 18:44:17 GMT