"Sun, 16 Feb 2025 05:43:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250216
Only TIME
05:43:16
General datetime
2025-02-16 05:43:16Z
For Database
2025-02-16 05:43:16
For HTTP1.1
Sun, 16 Feb 2025 05:43:16 GMT