Как написать по развёрнуто: 7.00,7.10,7.15,7.30,7.40,7.45,7.50.

7:00 — seven o'clock
7:10 — ten past seven
7:15 — quarter past seven
7:30 — half past seven
7:40 — twenty to eight
7:45 — quarter to eight
7:50 — ten to eight