"Sun, 09 Feb 2025 04:18:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250209
Only TIME
04:18:36
General datetime
2025-02-09 04:18:36Z
For Database
2025-02-09 04:18:36
For HTTP1.1
Sun, 09 Feb 2025 04:18:36 GMT