Are your event times shifting or showing up incorrectly when you travel or talk to people in other regions? Timezones can be tricky, but aCalendar gives you full control over how your times are calculated and displayed. Here is everything you need to know.

1

How Timezones Work in Android

By default, your Android device automatically updates its time and timezone based on your current physical location (using network towers or GPS).

The Shifting Effect: Because calendar events are saved as an exact moment in global time, shifting your phone's timezone will automatically shift your event displays. For example, a meeting scheduled at 9:00 AM in London will automatically show up at 10:00 AM if you travel to Berlin.

2

Configuring Timezones in aCalendar

To manage how timezones affect your views, open the app and go to Menu ☰ → Settings → Timezone settings. Here are the real options you can configure:

1

Device Timezone vs. Home Timezone

Device Timezone links directly to your Android settings and shows where your phone is right now. Home Timezone lets you select your regular home region, which is useful for setting up display options or creating new events for back home.

2

Display Event Times In...

You can choose exactly how times are displayed on your calendar grid when you travel:
• Device Timezone: This is the default. If you fly from London to Berlin, a 9:00 AM London meeting will automatically shift and show at 10:00 AM Berlin time.
• Event Timezone: This shows the meeting time exactly as it was created. It stays at 9:00 AM on your screen, no matter where you travel.
• Home Timezone: This forces all your appointments to always show in your home timezone, ignoring where your phone physically is.

3

Setting Timezones for Single Events

When scheduling an international phone call or planning a flight, you can assign a custom timezone to that specific event:

Event Creation Timezone

While creating or editing an event, tap the advanced options or the timezone label right next to the start/end time fields. You can select a different timezone for this particular entry. The cloud server will calculate the difference automatically, making sure it shows up correctly for your international guests as well.