Sleeps Until Penumbral Lunar Eclipse August 17, 2027
Penumbral Lunar Eclipse August 17, 2027 falls on Tuesday, August 17, 2027.
Penumbral Lunar Eclipse August 17, 2027 falls on Tuesday, August 17, 2027, which is 298 sleeps away. A sleep count is the number of nights still to come rather than the number of days, which is why it is the version adults reach for when the person asking is a child — and why it stays intuitive long after the day count stops meaning much.
| Sleeps left | Morning of |
|---|---|
| 10 | Sat 07 Aug |
| 9 | Sun 08 Aug |
| 8 | Mon 09 Aug |
| 7 | Tue 10 Aug |
| 6 | Wed 11 Aug |
| 5 | Thu 12 Aug |
| 4 | Fri 13 Aug |
| 3 | Sat 14 Aug |
| 2 | Sun 15 Aug |
| 1 | Mon 16 Aug |
How a sleep count works
The convention: one sleep means one night still to go. On the morning before, the answer is one. On the morning of the day itself, it is zero — you have run out of nights to sleep through. Because it tracks nights rather than 24-hour periods, the figure can read one higher than the day count for an event that lands in the morning.
About Penumbral Lunar Eclipse August 17, 2027
A quiet penumbral eclipse two weeks after the August 2 total solar eclipse, visible from the Pacific, the Americas, Europe and Africa.
Eclipse timing depends on your location — the counter above runs to the calendar date worldwide. Never look at the Sun without certified eclipse glasses; the Moon's red glow during a total lunar eclipse is completely safe to watch.
Quick facts
| Date | Tuesday, August 17, 2027 |
|---|---|
| Type | Penumbral eclipse |
| Safety | Solar: certified glasses only · Lunar: safe to watch |