"Sun, 23 Feb 2025 05:22:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250223
Only TIME
05:22:04
General datetime
2025-02-23 05:22:04Z
For Database
2025-02-23 05:22:04
For HTTP1.1
Sun, 23 Feb 2025 05:22:04 GMT