"Sun, 26 Jan 2025 18:27:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
18:27:45
General datetime
2025-01-26 18:27:45Z
For Database
2025-01-26 18:27:45
For HTTP1.1
Sun, 26 Jan 2025 18:27:45 GMT