There are 302 sleeps (302 days) until August 21 (Saturday, August 21, 2027).
There are 302 days until August 21 (Saturday, August 21, 2027) — one sleep per night.
One sleep per night between now and the big day — tonight is the first sleep, and the morning after the last sleep is August 21. Sleeps are the same as days.
302 sleeps is 43 weeks and 1 sleep.