Vacation blackout periods,with a sample policy and a memo you can copy.
A vacation blackout period is a stretch of days when a team doesn't approve time off, because it needs everyone around: a launch, a peak sales season, year-end close, an audit. Retail teams black out late November. Finance blacks out the first weeks of January. Software teams sometimes black out the week of a big release.
Blackouts are useful and easy to resent. Below is when one is fair, a sample policy, a memo you can send, and how to handle the requests that come in anyway.
When a blackout period is fair
A blackout is fair when the reason is real, the period is short, and people hear about it early. “The week of Black Friday, because we need everyone on the storefront” is fair. “All of Q4” is not: it's most of the holiday season, and people will take it as a cut to their time off.
Keep it to the days that matter. For a US online store in 2026, that might be Monday November 23 to Friday December 11: Thanksgiving week, Black Friday on November 27, Cyber Monday on November 30 and the run-up to the last shipping day before Christmas.
Check the law where your people work. In most US states employers can decide when vacation is taken. California doesn't allow use-it-or-lose-it policies, so a blackout there can't make anyone lose days they've earned. If people can't take their days because of a blackout, give them a real chance to use them later.
A sample vacation blackout policy
Vacation blackout periods. To make sure we can serve customers during our busiest weeks, we don't approve vacation during blackout periods except in an emergency. Blackout periods are announced at least 60 days in advance and last no more than three weeks. For 2026, the blackout runs from Monday November 23 to Friday December 11.
Time off booked and approved before a blackout was announced is kept. Exceptions for family events, medical needs and religious holidays are decided by your manager, case by case. Sick leave isn't affected. Days you couldn't take because of a blackout carry over to the first quarter of next year.
A vacation blackout memo you can copy
Subject: Vacation blackout, Nov 23 to Dec 11
Hi team, as every year, we'll need everyone around for the holiday sales peak. From Monday November 23 to Friday December 11 we won't approve new vacation requests, except for emergencies. If you already have approved time off in that window, it stands. If something important comes up, like a family event or a religious holiday, talk to me and we'll work it out. Please book December 14 onward early, because that's when everyone will want to go. Thanks for making it a good season.
Handling requests that land in a blackout
Some will come in anyway. Look at who else is out before saying no: a blackout exists to keep enough people around, and one person out for a wedding usually doesn't change that. Two people from the same small team out on Black Friday probably does.
When you say no, say why and offer the nearest dates that work. When you say yes to an exception, say it in a way that doesn't sound like the rule changed for everyone.
Keep the blackout from turning into resentment
Announce it 60 days ahead
Earlier is better. People plan holidays months ahead, and a blackout announced in October lands on plans already made.
Make it short
Three weeks at most. A blackout that covers the whole season stops being an exception.
Honor approved time off
Never cancel time off that was already approved. It's the fastest way to lose trust.
Leave room for religious holidays
Diwali, Hanukkah and Christmas can all fall near a blackout. Treat them as exceptions you expect, not favors.
Open the calendar right after
Tell people the first day they can book, and keep it fair if everyone wants the same week.
Show everyone the blackout
Put it on the team calendar so people see it when they plan, not when their request is turned down.
A blackout written in a policyis easy to miss on the calendar.
Most blackout problems come from people not seeing it when they plan. Put it on the calendar the team already looks at, and the conversation happens before the request, not after. Here's a blackout on a Forgot board. It's live, so try booking a vacation into it.
Visible when people plan
The blackout is a band across everyone's rows, so nobody books into it by accident.
Names who's away anyway
Approved time off and exceptions show up as people away during the blackout, so you see the real headcount.
Key days warn you
Mark Black Friday or a launch as a milestone and get a warning if someone is out that day.
- The blackout is a band across the whole team
- The summary names anyone away during it
- Black Friday and Cyber Monday warn if someone is out
- Drag a vacation into the blackout and see the warning
Put the blackout on the calendar your team already checks.
Forgot shows the blackout as a band across the team, names anyone away during it, and warns you when someone is out on a day that matters.
- Blackouts and freezes as team periods
- A warning when someone's out on a key date
- Time off requests your team sends without signing up
- Public holidays for each person's country
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Questions
What is a vacation blackout period?
A stretch of days when a company or team doesn't approve vacation, because it needs everyone around, for example during a peak sales season, a launch or year-end close.
Can an employer deny vacation during a blackout period?
In most US states, yes: employers can decide when vacation is taken. Some states protect earned vacation, like California, which doesn't allow use-it-or-lose-it policies, so a blackout can't make anyone lose days. Check the rules where your people work.
How long should a vacation blackout period be?
As short as the business need allows, ideally three weeks or less, and announced at least 60 days in advance.
What should a vacation blackout policy include?
The dates, the reason, how far ahead blackouts are announced, what happens to time off that was already approved, which exceptions are allowed, and whether days people couldn't take carry over.
Do blackout periods apply to sick leave?
No. A blackout covers planned vacation. Sick leave and protected leave aren't affected.