"Sun, 23 Feb 2025 05:35:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250223
Only TIME
05:35:16
General datetime
2025-02-23 05:35:16Z
For Database
2025-02-23 05:35:16
For HTTP1.1
Sun, 23 Feb 2025 05:35:16 GMT