Best Routine Apps for Travel and Changing Time Zones (2026)

Last updated: 2026-09-28

Quick answer: Todoist, TickTick and Structured are the three apps here whose help pages explain what a scheduled time does when you cross time zones. All three let a time "float" so 7am stays 7am wherever you land, or stay fixed to one zone. Google Calendar moves tasks with the calendar's time zone. Streaks and Routinery do not publish how they handle it.

You set a morning routine for 7am at home, fly six hours east, and the phone buzzes at a time that makes no sense. Or it buzzes at 7am local and you'd have preferred it didn't, because the trip is two days long and you're keeping home hours. Either result can be right. The problem is not knowing which one your app will pick.

We read the official help documentation for each app below and wrote down only what it states. Where an app's documentation is silent, the table says so.

Jet lag guidance: when to move a routine and when to keep it

The CDC's advice on where to set your routine depends on how long you're staying. Its 2026 Yellow Book chapter lists the diagnostic criteria as insomnia or heavy daytime sleepiness tied to travel across at least two time zones, with impaired daytime function within 1 to 2 days after the flight.

Direction matters. The same chapter gives an average adaptation rate of 1.5 hours per day after flying west and 1 hour per day after flying east, because the body's internal clock runs a little longer than 24 hours and finds it easier to go to bed later. Those are averages. The chapter lists genetic differences, medication and the route itself among the risk factors that make jet lag worse for some travelers.

It also splits advice by trip length. For short trips, its example being less than 2 days, the guidance is to keep sleep, activity and meals on your home time zone. For longer ones it says to time meals, sleep and light exposure to the destination, starting on the flight.

That split is why the time zone setting in a routine app matters at all. On a weekend trip you'd pin the routine to home, and for a month abroad you'd let it float with the local clock.

Keeping sleep and wake times steady has a separate body of evidence behind it. A UK Biobank analysis of 79,666 adults who wore wrist accelerometers for a week found that regular sleepers had a 38 percent lower risk of developing depression and a 33 percent lower risk of anxiety than irregular sleepers, over a median follow-up of 7.5 years. It's an observational study, so it shows an association and cannot show that regularity causes the difference. It also did not study travel.

Routine apps compared for travel: what each one documents about time zones

Apps are listed alphabetically. Routinery is our product and sits in the same columns as the others.

"Not published" means we could not find a statement either way in the app's public documentation, and the app may well handle travel fine.

Todoist: floating is the default, fixed is one menu away

Todoist keeps every due time floating unless you switch a task to fixed. Its help page on fixed and floating times says all due times are floating by default, so a 9am task set in New York is still a 9am task in London. Switch that task to fixed and it becomes 2pm London time.

There's one catch for travelers. When you choose fixed, Todoist only lets you pick your current time zone. So if you want a routine pinned to home hours for a short trip, set it to fixed before you leave. The page lists Beginner, Pro and Business as the plans that have the setting, with steps for web, desktop, iPhone and Android.

TickTick: two modes, behind a settings switch

TickTick gives each task a choice of fixed or floating, but only after you turn on a switch in settings. Its help page pitches the Time Zone feature at frequent travelers, and the switch sits under Settings, Date & Time. After that, every timed task asks whether it is Fixed Time Zone or Floating Time.

Its two examples cover the two kinds of travel scheduling. A morning run set to 7am on Floating Time reminds you at 7am local, in Los Angeles or Barcelona. A meeting a London colleague set for 10am goes in as Fixed Time Zone on London time, and TickTick works out the local hour for you. The help page talks about tasks. It does not say whether habits follow the same switch, and we could not confirm that elsewhere.

TickTick also has an Additional Time Zone option in calendar view settings that shows several zones side by side on the timeline.

Structured: floating on Apple devices, missing on Android and web

Structured sets every new task to Floating Time Zone, and its help article gives the plain version. A task you set for 7 AM shows at 7 AM wherever you travel.

You can also give a single task a different zone, which the page suggests for a video call someone else scheduled in their time. Structured then shows it on your timeline in your local time. The same article says the feature is not available on Android or Structured Web yet, so this only helps if you plan on an iPhone, iPad or Mac. Events you import from a calendar often arrive in a fixed time zone, and the article sends you to the calendar app's own settings to change that.

Google Calendar: tasks move when the calendar's zone moves

Google Calendar shifts a task's time whenever the calendar's time zone changes. In the mobile app, "Use device time zone" updates your calendar's time zone automatically as you travel. Google's help page on time zones then says tasks adapt to the new zone, and its example is a 9 AM task in Denver becoming an 11 AM task in New York.

That's the right behaviour for a flight you booked. For a morning routine it is the reverse of floating, and the page doesn't describe an option that keeps a task at the same local hour. Events are more flexible, since each one can carry its own time zone and separate start and end zones.

Streaks and Routinery: no published answer

We found nothing about time zones on Streaks' website, its support page or its App Store listing. The support page points you to help inside the app.

Routinery is in the same position, and it's our app. We searched the App Store listing, the What's new page and each of our public update notes for any mention of time zones or travel and found none. Routinery schedules routines by day of the week and time of day and runs each step on a voice-guided timer. Our documentation does not say what those times do after a flight. If your trip depends on a reminder landing at a specific local hour, use Todoist or TickTick, which document both modes. You can also test Routinery before you go by changing your phone's time zone and watching one scheduled routine.

How to choose: start from how long you're away

• Two days or less, keeping home hours: Todoist with the task set to fixed before you leave, or TickTick on Fixed Time Zone.
• A week or more, living on local time: anything with a floating default. Todoist and Structured start there, and TickTick offers it once the switch is on.
• Planning on Android or the web: Todoist, whose help page gives steps for Android and web. Structured's time zone setting is Apple only for now.
• Your routine is really a set of calendar blocks: Google Calendar events, each with its own time zone. Keep in mind that tasks shift with the calendar.
• You want each step talked through, and can check the timing yourself: Routinery, after a quick test with your phone's time zone changed.

Getting started: the first days after you land

Start before the flight. The CDC's jet lag guidance suggests shifting sleep toward the destination for a few days before you go, if you can. That's easy to put in a routine app as a bedtime that moves.

On the plane, the same guidance says to time meals, sleep and light to the place you're going. Once you're there, get as much daylight as you can. It warns that long daytime naps make it harder to sleep that night, though a short one may help you stay alert.

If the trip also crosses a clock change, our daylight saving time routine reset walks through a three-day adjustment. Travel days rarely go to plan, which is why we compared routine apps for unpredictable days separately. And if you'll be offline on the way, check which habit apps work offline before you board.

Frequently asked questions: routine apps and time zones

How do you compare routine planners vs habit trackers when you travel across time zones?

Look at what each app documents. In this comparison, the planners had the clearer answers. Todoist, TickTick and Structured each publish a help page explaining floating and fixed times, and Google Calendar explains how its tasks follow the calendar's time zone. Streaks, a habit tracker, and Routinery, a routine app, do not publish how scheduled times behave after a time zone change. With those two you'll have to test it yourself. Change your phone's time zone a day before the trip and watch what one scheduled reminder does.

What's the difference between floating time and fixed time zone?

A floating time stays at the same clock time wherever you are, so a 7am task is 7am in Tokyo and 7am in Toronto. A fixed time is tied to one time zone, and the local hour moves as you travel. Todoist's example is a 9am New York task that becomes 2pm in London. Floating suits daily habits like a morning run. For anything set in someone else's time zone, like a call or a ticket release, you'd use fixed, and the same goes for a short trip where you want to stay on home hours.

Should I move my routine to local time or keep home time?

The CDC's jet lag chapter ties it to trip length. For short trips, with less than 2 days as its example, it advises keeping sleep, activity and meals on your home time zone. For longer stays it recommends timing meals, sleep and light exposure to the destination. Adapting takes a while either way. The chapter's average rate is 1.5 hours per day after flying west and 1 hour per day after flying east, and it lists genetics, medication and the route among the factors that can make jet lag worse.

Does Google Calendar change my task times when I travel?

Yes, according to Google's help documentation. When the calendar's time zone changes, tasks adapt to the new zone, and Google's example is a 9 AM task in Denver showing as 11 AM in New York. In the mobile app, turning on "Use device time zone" makes the calendar's time zone update automatically as you travel. Events can each have their own time zone, including separate start and end zones for a flight. The help page does not describe a way to keep a task at the same local hour.

Can I use Structured's time zone feature on Android?

Not yet. Structured's help article on time zones says the feature is not available on Android or Structured Web. On iPhone, iPad and Mac, new tasks default to Floating Time Zone, so a task set for 7 AM shows at 7 AM wherever you travel, and you can give one task a different zone from the time editor. If you plan mainly on Android, Todoist's help page documents fixed and floating times with steps for Android, web and desktop.

About this guide. Written by the Routinery editorial team. Routinery is our product, and it is included in the comparison under the same columns as the other apps. Its time zone cell reads "Not published" because we have not documented that behaviour publicly, and we don't count our own claims as evidence. Competitor facts come from each app's official help center, website or store listing, checked on 2026-09-24. Prices are US store prices on that date.

References: sources cited above

• Riedy SM, Williams SG. Jet Lag Disorder. In: CDC Yellow Book 2026: Health Information for International Travel. Centers for Disease Control and Prevention, 23 April 2025. https://www.cdc.gov/yellow-book/hcp/travel-air-sea/jet-lag-disorder.html
• Li DR, et al. Regular sleep patterns, not just duration, critical for mental health: association of accelerometer-derived sleep regularity with incident depression and anxiety. Psychological Medicine, 15 August 2025. n=79,666, UK Biobank, median follow-up 7.5 years. https://pubmed.ncbi.nlm.nih.gov/40814280/