Read the إِذَا Example Completely

Conditional Sentences with إِذَا and لَوْ

إِذَا جَاءَ رَمَضَانُ فُتِحَتْ أَبْوَابُ الْجَنَّةِ
When Ramadan comes, the gates of Paradise are opened.

● Time and condition: إِذَا جَاءَ رَمَضَانُ — when Ramadan comes.
● Answer: فُتِحَتْ أَبْوَابُ الْجَنَّةِ — the gates of Paradise are opened.
● فُتِحَتْ is passive; the sentence focuses on the opening of the gates, not on naming who opens them.

The past forms do not force an idiomatic past translation here.