"Sun, 26 Jan 2025 11:09:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
11:09:20
General datetime
2025-01-26 11:09:20Z
For Database
2025-01-26 11:09:20
For HTTP1.1
Sun, 26 Jan 2025 11:09:20 GMT