I Believe the answer is: Mosque
The five prayers are divided into:
Salat al-fajr: praying that must be done before sunrise
Salat al-zuhr: raying that must be done when the sun is completely at peak
Salat al-'asr: parayer that must be done between noon and evening
Salat al-maghrib: just after sunset
Salat al-'isha:praying that must be done between sunset and midnight