"Sun, 16 Feb 2025 14:55:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250216
Only TIME
14:55:06
General datetime
2025-02-16 14:55:06Z
For Database
2025-02-16 14:55:06
For HTTP1.1
Sun, 16 Feb 2025 14:55:06 GMT