Completely FREE time zone meeting planner. No signup, instant comparison. Choose a date, a time, and a home time zone, then add up to three more zones to see the same moment everywhere at once — with daylight-saving shifts handled automatically and any early-morning or late-night slots flagged as off-hours.
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One moment, every zone
Scheduling across time zones is where meetings quietly go wrong — someone joins an hour early, someone else at 6am, and a third person on the wrong day entirely. This planner fixes the anchor: you set a single meeting moment in one zone, and it shows the exact local date and time that moment falls on in every other zone you pick. Because they're all the same instant, there's no mental arithmetic and no "wait, is that your morning or mine?"
Daylight saving, handled
The hard part of time-zone math isn't the base offsets — it's daylight saving, which starts and ends on different dates in different countries and doesn't exist at all in some. A fixed "London is 5 hours ahead" breaks twice a year and is simply wrong for parts of the calendar. This tool computes each zone's offset for the specific date you choose, using the browser's own time-zone database, so a meeting planned across a DST changeover shows the correct local times on both sides. Pick a date in July and a date in January and you'll see the offsets shift exactly as they should.
Off-hours flags
Knowing that 3pm your time is 11pm for a colleague is only useful if you notice it. Each zone's row is marked as daytime or off-hours, flagging any slot before 8am or after 8pm local. It's a quick visual check that the time you're proposing is reasonable for everyone, not just convenient for you — the difference between a considerate invite and one that lands in someone's middle of the night.
A curated set of zones
The zone menus cover the places most cross-border meetings actually involve — the U.S. and Canadian zones, the U.K. and continental Europe, the Middle East, South and East Asia, Australia, New Zealand, Brazil, and UTC — each labeled with a familiar city so you don't have to remember which region an abbreviation belongs to. Your own zone is detected and pre-selected as the base when it's on the list, so the common case works with almost no setup.
Runs entirely in your browser
Everything is computed locally with no account and nothing sent anywhere. Once you've found a slot, the document generators and other tools on the site cover the rest of the working day. For counting days rather than hours across a schedule, see the Date Calculator.
Frequently asked questions
How do I compare a meeting time across time zones?
Set the date, time, and your home zone, then choose up to three more zones. The table shows the same moment as a local date and time in each one, so you can pick a slot that works for everyone.
Does it account for daylight saving time?
Yes. Each zone's offset is calculated for the specific date you choose using the browser's time-zone database, so meetings planned across a daylight-saving change show the correct local times.
How does it know which times are inconvenient?
Any local time before 8am or after 8pm is flagged as off-hours, so you can quickly spot a slot that would fall in someone's early morning or late evening.
Important
This tool provides estimates and general-purpose documents, not financial, tax, legal, or professional advice. Verify important results before relying on them.
Support
Problem with this tool or suggestions for improvement? Please email support@niftyutilities.com.