Costco’s inflation-proof hot dog deal turns 40
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The countdown to Christmas is ticking down, and whether you’re planning a party or shopping for gifts, Costco might have what you need. But the warehouse chain shuts its doors for some holidays. Is Pearl Harbor Day one of them? Will Costco be open on Sunday, Dec. 7? Here’s what you need to know.
When is Pearl Harbor Day 2025?
Sunday, Dec. 7, 2025 marks the 84th anniversary of Japan’s surprise attack on the U.S. naval base in Pearl Harbor, Hawaii. The attack spurred the U.S. to become involved in World War II; it declared war on Japan the next day, according to USA TODAY.
Is Costco open on Pearl Harbor Day 2025?
Yes, Costco warehouses will be open on Pearl Harbor Day, according to the company’s website.
Costco is open most days of the year, but the chain closes its warehouses for several major holidays each year:
- New Year’s Day
- Easter Sunday
- Memorial Day
- Independence Day
- Labor Day
- Thanksgiving Day
- Christmas Day
What are Costco’s hours on Pearl Harbor Day?
Costco will be open on Sunday, Dec. 7, though it will have shorter hours compared to other days of the week.
Most Costco warehouses are open from 10 a.m. to 6 p.m. local time on Sundays. Hours may vary, but most warehouses operate from 10 a.m.–8:30 p.m. on weekdays and 9:30 a.m.–7 p.m. on Saturdays.
As of Sept. 1, 2025, Costco Executive Members are able to start shopping at 9 a.m. daily.
When was the first National Pearl Harbor Remembrance Day?
U.S. Congress designated Dec. 7 as National Pearl Harbor Remembrance Day on Aug. 23, 1994, according to the National Park Service.
