"Sun, 05 Jan 2025 18:37:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250105
Only TIME
18:37:52
General datetime
2025-01-05 18:37:52Z
For Database
2025-01-05 18:37:52
For HTTP1.1
Sun, 05 Jan 2025 18:37:52 GMT