"Sun, 26 Jan 2025 19:25:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
19:25:50
General datetime
2025-01-26 19:25:50Z
For Database
2025-01-26 19:25:50
For HTTP1.1
Sun, 26 Jan 2025 19:25:50 GMT