"Sun, 26 Jan 2025 18:27:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
18:27:54
General datetime
2025-01-26 18:27:54Z
For Database
2025-01-26 18:27:54
For HTTP1.1
Sun, 26 Jan 2025 18:27:54 GMT