Time Zone: World Clock

Coordinating with people in other countries? Drag the slider and see everyone's time at once. The day/night indicator tells you if it's a good time to call.

Time Zone brings every time zone you care about into one screen and moves them together. Drag the time slider and instantly see what time it'll be in each city — no adding or subtracting hours in your head.

WHY THIS APP

• One slider, every time. Move the time and all your cities recalculate at once. Comparing and converting are the same action.

• Pin your reference. Set any city as the anchor and read every offset from its point of view — ideal for coordinating with people far away.

• Don't text anyone at 3 a.m. The day-and-night indicator shows at a glance whether it's a good moment to call or message.

• Correct daylight saving time. Offsets are computed for the exact date you look up, not with fixed values. Plan future meetings without mistakes.

• Works offline. All data ships inside the app. Use it in airplane mode, on a flight, or with no signal.

• No permissions, no tracking. We never ask for location, camera, or contacts. Your local zone comes from your system.

PREMIUM WITH NO SURPRISES

The app is free with ads and up to 4 zones. Want more? A one-time purchase unlocks unlimited zones and removes ads. Not a subscription: pay once, keep it forever.

Perfect for remote work, distributed teams, families abroad, travel, and anyone who keeps an eye on more than one clock.