"Sun, 16 Feb 2025 23:47:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250216
Only TIME
23:47:26
General datetime
2025-02-16 23:47:26Z
For Database
2025-02-16 23:47:26
For HTTP1.1
Sun, 16 Feb 2025 23:47:26 GMT