"Sun, 09 Feb 2025 09:35:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250209
Only TIME
09:35:30
General datetime
2025-02-09 09:35:30Z
For Database
2025-02-09 09:35:30
For HTTP1.1
Sun, 09 Feb 2025 09:35:30 GMT