"Sun, 16 Feb 2025 03:37:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250216
Only TIME
03:37:29
General datetime
2025-02-16 03:37:29Z
For Database
2025-02-16 03:37:29
For HTTP1.1
Sun, 16 Feb 2025 03:37:29 GMT