Sundial: Timezone Tools for Google Calendar

Save time scheduling multi-timezone meetings — while keeping all the powerful features of Google Calendar.
What is Sundial: Timezone Tools for Google Calendar?
Assistly: Calendar Overlay Meeting Scheduler is a Chrome extension that allows recipients to overlay your proposed times on top of their Google Calendar and generates a snippet of text to propose meeting times quickly. It is a free alternative to scheduling tools like Calendly, Meeting Scheduler for Gmail, and Koalendar, designed to make scheduling across time zones easy.

Extension stats

Users: 466 ▲ 58
Rating: 5.00 (35)
Version: 1.7.9 (Last updated: 2024-11-21)
Creation date: 2023-04-06
Risk impact: High risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
Permissions:
  • storage
  • background
  • identity
  • identity.email
  • activeTab
  • scripting
Host permissions:
  • https://calendar.google.com/*
  • https://mail.google.com/mail/u/*
Size: 20.36M

Other platforms

Not available on Firefox
Not available on Edge
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Extension summary

Specifically, here's how it works:

After installing, Sundial will show in the left column of Google Calendar.

1/ Search a place or timezone in Sundial. Sundial will add that timezone to Google Calendar. Add as many as you need.

2/ Select a time slot on Google Calendar and click, "Copy Time Slot”. Sundial will convert the time slot to written text that's ready to paste anywhere. It'll look something like this:

Tue, Jan 3: 10am-12pm EST

3/ Select more time slots. The text will build and re-copy to your clipboard each time. After multiple selections, it'll look something like this:

Mon: Jan 2: 9-11am EST Tue, Jan 3: 8-9am, 10am-12pm EST

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User reviews

Sundial is an incredibly helpful tool that has improved my efficiency. It has saved me countless hours and has given me time to focus on more significant projects. If you're an EA, you NEED THIS!
by Meigan Weiss, 2024-11-04

As an EA, one of the most tedious tasks we have is calendar management- toggling back and forth between calendar(s) and your inbox to review and type out multiple dates and times can take up time that you could using for something else. Using Sundial cuts back on that time- with just a few simple clicks, you can check that task off your list and move onto the next!
by Meaghan Chaves, 2024-10-29

Sundial has been a tremendous addition to my EA toolkit! Easy to use and a huge time-saver, Sundial is now my go-to tool for scheduling meetings across multiple timezones.
by Jaclyn Ortiz, 2024-10-28
View all user reviews

Extension safety

Risk impact

Sundial: Timezone Tools for Google Calendar requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Sundial: Timezone Tools for Google Calendar has earned a good reputation and can be trusted.

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Promo images

Sundial: Timezone Tools for Google Calendar small promo image
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