"Sun, 23 Feb 2025 18:28:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250223
Only TIME
18:28:47
General datetime
2025-02-23 18:28:47Z
For Database
2025-02-23 18:28:47
For HTTP1.1
Sun, 23 Feb 2025 18:28:47 GMT