When Is the Steam Mountaineering Fest 2027?
Live Countdown to the Sale
Steam Mountaineering Fest 2027 begins on Monday, May 31, 2027 at 17:00 UTC — 229 days from now. It runs until June 3, 2027.
The Steam Mountaineering Fest 2027 runs May 31 – June 03, 2027 on Steam — official dates from Valve. Live countdown to the moment the discounts go live.
Steam Mountaineering Fest 2027 is a themed fest announced by Valve, running May 31 – June 03, 2027. Discounts go live at 10:00 AM Pacific — this countdown targets that exact moment. Wishlist the games you're waiting on before the sale starts, and Steam will email you when they're discounted.
Steam Mountaineering Fest 2027 begins on Monday, May 31, 2027 at 17:00 UTC. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.
What time does the sale start?
| Location | Local time |
|---|---|
| UTC | 17:00 |
| New York (US Eastern) | 13:00 · 1:00 PM |
| Los Angeles (US Pacific) | 10:00 · 10:00 AM |
| London (UK) | 18:00 · 6:00 PM |
| Berlin / Paris (Central Europe) | 19:00 · 7:00 PM |
| New Delhi (India) | 22:30 · 10:30 PM |
| Tokyo (Japan) | 02:00 · 2:00 AM (Jun 01) |
| Sydney (Australia) | 03:00 · 3:00 AM (Jun 01) |
| Your timezone | see local time above |
Frequently asked questions
How long do Steam sales last?
The big seasonal sales (Summer, Autumn, Winter, Spring) run about two weeks; Steam Next Fest runs one week; themed fests usually run one week.
Do discounts change during a sale?
No — since 2015 Steam sale prices stay the same for the whole sale, with occasional daily featured deals. There's no advantage to waiting once the sale is live.
When does the Steam Mountaineering Fest 2027 start and end?
It runs May 31 – June 03, 2027, starting at 10:00 AM Pacific.
Sale dates come from Valve's official Steamworks documentation — these are published dates, not guesses — rechecked every day. Page updated October 14, 2026.