
Get ready, skywatchers — this week ends with a cosmic show we won’t see again for nearly two decades.
On December 4, 2025, the Cold Moon rises as the last Supermoon of the year, the highest full moon of the entire decade, and the final one until 2042 to reach this extreme position in the sky.
Thanks to a rare astronomical phenomenon, this lunar event is shaping up to be one of the most spectacular moonrises of our generation.

🌕 Why This Supermoon Is So Special
This isn’t just another full moon.
This one is powered by a Major Lunar Standstill, a rare 18.6-year cycle that dramatically affects how high or low the Moon appears in our sky.
During this cycle, the Moon reaches its maximum possible height, making the 2025 Cold Moon:
- The highest full moon of the year
- The final Supermoon of 2025
- The last full moon to reach this height until 2042
In other words: if you miss this one, you’re waiting 17 years for a repeat.
🌕🔥 A Grand Finale: The Last Supermoon of 2025
The December Cold Moon closes out the 2025 Supermoon Trilogy, arriving right as winter begins to settle in. Because it occurs when the Moon is unusually close to Earth, it appears:
- Bigger
- Brighter
- More golden near the horizon
And paired with its extreme height in the sky, it’s a stunning visual combination.
🔭 When to Watch the 2025 Cold Moon Supermoon
Here are the peak illumination times across the world:
| Location | Date & Time |
|---|---|
| 🇺🇸 New York | Dec 4 — 6:14 PM |
| 🇧🇷 Rio de Janeiro | Dec 4 — 8:14 PM |
| 🇬🇧 London | Dec 4 — 11:14 PM |
| 🇪🇺 Berlin | Dec 5 — 12:14 AM |
| 🇹🇷 Istanbul | Dec 5 — 2:14 AM |
| 🇮🇳 New Delhi | Dec 5 — 4:44 AM |
✨ How to See It at Its Best
For the most dramatic view, follow this simple tip:
👉 Look toward the east right after sunset.
Why?
Because of the Moon Illusion — a natural optical effect that makes the moon appear huge and golden when it’s low on the horizon.
If you want those jaw-dropping photos or that “OMG the moon is enormous” moment… that’s exactly when to look.
🌕 Don’t Miss This Once-in-a-Generation Moon
This isn’t just another full moon.
It’s the biggest, highest, and final Supermoon until 2042 — a celestial milestone you’ll remember for years.
Whether you’re a photographer, an astronomy fan, or just someone who loves a beautiful night sky, this is the lunar event of 2025.
Set your reminders, step outside, and look east.
Because after this one… the sky won’t show off like this again for nearly two decades.