"Sun, 26 Jan 2025 21:35:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
21:35:52
General datetime
2025-01-26 21:35:52Z
For Database
2025-01-26 21:35:52
For HTTP1.1
Sun, 26 Jan 2025 21:35:52 GMT