Complex sentence: The Metro operates from 6 a.m. to approximately 0.30 a.m. every 7--10 minutes; during peak-hours the intervals reduce to 5 minutes.
Split into simpler sentences: The Metro operates from 06:00 a.m. to 00.00 a.m. every 7--10 minutes. M2 Yenikapı-Haciosman operates from 06:15 a.m. to 00.00 a.m. line During peak-hours the intervals reduce to 5 minutes.