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Description from extension meta
Save time scheduling meetings with tools built for high-performing schedulers — directly inside Google Calendar.
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Description from store
Here's how Sundial works:
After installing and signing up, Sundial appears in the left column of Google Calendar.
1️⃣ Add Multiple Timezones to Your Calendar
Search for a place or timezone and Sundial adds that timezone to Google Calendar. Add as many as you need. Rename them as you'd like. Reorder them whenever.
2️⃣ Turn Dragged Time Blocks into Copyable Text
Turn "Write times" on in the sidebar. Then drag time blocks on your calendar. Sundial turns them into copyable text, and can adjust it to any timezone. No more timezone mistakes. Here's an example of the text:
Mon: Jan 2: 9-11am EST
Tue, Jan 3: 8-9am EST
Need to adjust to another timezone? Search for a place or timezone in the Sundial, and your copyable text updates instantly. Here’s how it looks:
Mon, Jan 2: 3-5pm CET / 9-11am EST
Tue, Jan 3: 2-3pm CET / 8-9am EST
3️⃣ Overlay Meeting Requests on Your Calendar
When someone emails you to meet, click “Scan for meeting times” in Gmail. Sundial detects the meeting times and timezone in the email and overlays them on your Google Calendar, automatically adjusted to your timezone.
4️⃣ Create Calendar Holds and Send Hold Times
Select a new event on Google Calendar and click “Create hold”. Sundial will save the hold and save the event's times to Sundial (not copy them). Once all your holds are created, click "Copy times" in Sundial to share the hold times with colleagues.
5️⃣ Bulk Delete Calendar Holds
Click on any existing event with the word "Hold" in the title. Then click "Select holds to delete." Sundial displays all holds with the matching title, allowing you to quickly select and delete the ones you want.
6️⃣ Work Seamlessly with Team Calendars
Scheduling with teammates? Sundial works with any calendars you can overlay in Google Calendar.
➡️ Sundial Pricing
- Free Plan: 25 uses per month (that's ~5 meetings)
- Sundial Pro+: $29/month for unlimited uses, all features and email support. Your subscription helps us improve and sustain the product.
- See all features at www.trysundial.ai/pricing
*One “use” is defined by an added timezone, a copied availability, a created hold, a bulk delete of holds, or an overlaid meeting request.
Thank you for trying Sundial. I hope you find it helpful!
➡️ Terms and Conditions
We collect your email address after you sign up. No other personal information. We never share or sell your information. We also track which features you use and how often you use them, solely to improve the extension and enhance your experience.
By installing the extension, you agree to and acknowledge:
www.trysundial.ai/terms-of-service
www.trysundial.ai/privacy.
Latest reviews
- (2025-06-12) Vio Favetta: Fantastic tool that works as an extension on Google Calendar. The founder has been super helpful and been asking for feedback to keep building/improving the tool.
- (2025-05-14) Aidan Reed: As a college student recruiting for jobs and constantly networking/scheduling calls this saves me to much time! Thank you, thank you, thank you for creating this!
- (2025-05-13) Josh Carpenter: Yes. This. I have needed this for so long. This gives me an instant frame of reference where I need it most, the center of our working universe, the google calendar. It's also worth mentioning that this is surprisingly stable... getting this type of functionality to play nice with something as complex as the google calendar is an extraordinary accomplishment, and only possible with a LOT of hard, thoughtful work. Kudos to the dev.
- (2025-03-21) Vincent Keunen: Great tool! Very handy if you're working in a few time zones...
- (2025-03-07) Tessa Di Liello: Excellent tool and has saved me so much time in daily tasks. Working for a remote company or with colleagues/customers across various times zones makes this an absolute must!
- (2025-03-07) Michele Pelkonen: Amazing app! I manage team members from across the globe, as well as need to book times with customers, and this makes it so easy to look like I can do "time zone math"! The customer service is above and beyond, with a lot of patience in helping me get the most out of the app. Highly recommend it to anyone who has to do with work, family, friends, across multiple time zones. Just FYI, I came across Sundial some months ago when it was recommended by Gemini AI of all places!
- (2025-03-07) Jiyuan Qiu: Been using it for a while -- very useful for my work!
- (2025-03-06) Alice Chu: Awesome tool for folks who use Google Calendar a lot especially those that work with different time zones. With this extension, you can easily view multiple time zones within Google Calendar, copy available time slots from a calendar, and create holds. This app has helped save a ton of time/manual work. The app's creator is super responsive to feedback and very helpful as well. I highly recommend this app to others.
- (2025-03-06) Kati Lueth: Sundial is a game-changer for managing projects across time zones. It's a daily essential that saves me so much time. Highly recommend!
- (2025-03-06) Diana David: Incredibly simple to use yet it solves a complicated problem of creating personalized email scheduling for multiple calendars! There's just no need for complicated scheduling apps :)
- (2025-03-06) Maura Mulvihill: Really useful, makes juggling calendars and scheduling much easier/faster. Saves me a lot of time.
- (2025-03-06) Johanna Moscoso: Beyond helpful for scheduling meetings across a gazillion time zones. Saved so much time and energy. So glad I found this.
- (2025-03-06) Nick Dolidze: amazing idea, amazing app. congrats man
- (2025-03-04) Muhammad Farrukh Eijaz: Really helpful
- (2025-01-05) N: Works great! It's something Google should have done. My only niggle is that I'd like it to add the new columns to the left of the previous ones instead of sandwiching them to the right. Still, it works perfect! Thanks!
- (2024-10-28) Jaclyn Ortiz: 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.
- (2024-10-22) Hanna Manella: Sundial is an incredibly helpful tool that brought more efficiency to my day to day. It allows me to copy and paste timeslots easily and gives me time back to focus on bigger projects. Couldn't live without it!
- (2024-10-21) Amber Marrama: Sundial is what every EA has been missing! The tool is intuitive and very easy to use. Massive time saver especially when supporting multiple execs in different time zones!
- (2024-10-17) Gemma Hale: Love this tool, game changer - no more typing out time zones and checking back and forth for errors. Simple to use extension to Google calendar which makes my life as an EA so much easier arranging exec meetings in multiple time zones.
- (2024-10-16) Abby Weiner: Very pleased so far, extremely user friendly interface, not disruptive by needing to learn a new system rather enhances the way I already work.
- (2024-10-15) Lauren McNeil: Using Sundial has been a game changer as an Executive Assistant! It has been so simple to use and gives me back time in my day where I was previously calculating out time zones and manually writing out meeting time options. As an EA supporting 3 executives all in different time zones, it has been the perfect new tool to help simplify day to day complex calendar logistics!
- (2024-10-10) Alan Company: Its crazy how this solves exactly the issue no other app has a solution for. Simple and elegant approach to multi-timezone work environments, I have to manage people on different continents and it happens often that I schedule a meeting on a time they should be resting! Thanks for this, my team will appreciate it.
- (2024-10-09) Emily Ruocco: I absolutely love using Sundial. As an EA, I'm constantly having to share time options for several executives that are located in different time zones and Sundial makes it so much easier to do so. The Chrome extension is easy to use and saves me a ton of time!
- (2024-10-04) Katie Hastings: This is the only app/chrome extension that I've used that accomplishes the specific tasks that as an EA, I do on a daily basis. It's simple, straightforward, and connects right into Google Calendar which is awesome. Highly recommend!!
- (2024-10-01) Joshua Moore: Simple, intuitive, and makes coordinating timezones so much easier. Great extension!!
- (2024-09-25) Jenn Tucci: I was looking for a google calendar extension that would make it easier for me to review team availability across several different timezones and then communicate that availability to external customers. This simple tool does that, and only that, which is perfect because that is all I need. I wasn't interested in a complex calendar management tool or even an online scheduling tool. This was exactly what I was looking for--no more, no less--and Sundial delivered.
- (2024-09-17) Giana Romano: This scheduling platform has been a game-changer for me! It effortlessly manages my Exec's availability, handles time zone discrepancies, and the overlay feature is a lifesaver for viewing multiple calendars at once. The user-friendly design and reliable performance have greatly improved my productivity and work-life balance. If you need a tool to simplify scheduling and streamline your calendar management, this is the one!
- (2024-09-09) Denise Navarro: What a game changer! This is such a huge help when scheduling meetings across multiple timezones. It eliminates errors when manually typing out timeslots. As an executive assistant dealing with calendar tetris all day, I cannot believe I stumbled upon this gem! Must have tool for all EAs!
- (2024-09-03) Nick Snyder: Such a time saver! Very intuitive to use and really helps streamline my scheduling. I wish more people who try to schedule times with me would use this tool :)
- (2024-08-13) Manny Bamishaye: Been a huge time saver, especially given the number of people I work with on a day to day with their busy schedules. Keep up the great work!
- (2024-08-08) Tara King: Makes my days SO much easier. I was so sick of timezones, making mistakes typing my schedule availability, and the unproductive time scheduling over email took. Sundial solved one of those annoying problems you didn't even know you could have a solution for... a must-have!
- (2024-08-07) Nick Gonzalez: I work in enterprise sales at GitHub/Microsoft, so our account teams supporting our largest West Coast tech customers are huge. Sundial helps me navigate the exhausting calendar tetris exercise when it comes to coordinating calls that require multiple folks from my team. My absolute favorite feature is having multiple of my teammates cals overlaid on mine and the ability to select a time range, then "Copy time slot" from Sundial into natural language. This solves a pain point I've had for my entire career. Bravo!
- (2024-08-06) Dan Fontaine: Sundial is EXACTLY what Chrome extensions should be: easy, obvious and awesome. After I installed it, it was as if it had always been a part of my calendar / Chrome suite. They made a tutorial video, but it's totally obvious how to use it just by looking at it. I knew that I would like it, but I was still surprised how much easier it made scheduling meetings.
- (2024-08-06) Gabriel Dillon: Fits within my workflow with zero interruption, presents something simple, personal, and *text focused* (swoon!) to my counterparts. Love it.
- (2024-07-26) Danny Wright: Sundial is such a simple, yet powerful tool. I don't like sending out my Calendly link to new potential partners, instead I like to give them them to organize the meeting on a platform of their choosing. Before Sundial, it was a tedious process to select all the windows of time I'm available over the week and list it in an email (not to mention timezone converstions). Now, I highlight the sections of my availability in 3-5 clicks directly in Google Calendar, enter their time zone, and it's ready to paste. I highly recommend this extension for any person or company who requires more personal meeting scheduling options. Bravo, Sundial!👏
- (2024-07-15) Glafira Marcon: Such a sleek, simple, and effective solution for a task I perform dozens of times a week. Thank you!
- (2024-07-12) Collen Aligway: Sundial is a great time-saving tool that helps you schedule meetings quickly and easily. It integrates with your Google Calendar and helps you find available times that work for you and your coworkers. It can also adjust for time zones, which is a great feature if you work with people in different locations.
- (2024-07-09) Jodie Yorg: Sometimes a product comes on the market no one has asked form, but in retrospect it seems so obvious it was needed. Sundial is one of those products. My business is almost exclusively driven by one to one meetings and scheduling is one of the most difficult challenges I face. Sundial has made this so easy and now I never want to give it up.
- (2024-06-28) Pam Dunn: Wow something so simple has made scheduling so much easier. It is streamlined and easy to select my availability in one place. Brilliant.
- (2023-07-31) Elan Frantz: Amazing tool! This really helps to streamline scheduling. I'd say that I save 2-3 minutes on proposing meeting options, an action that I do 4-5 times a day. I'm suprised that Google didn't create something like this themselves! It would be great to see suggestions based on multiple Google calendards as well :)
- (2023-07-31) Elan Frantz: Amazing tool! This really helps to streamline scheduling. I'd say that I save 2-3 minutes on proposing meeting options, an action that I do 4-5 times a day. I'm suprised that Google didn't create something like this themselves! It would be great to see suggestions based on multiple Google calendards as well :)
- (2023-04-18) Gabriel Leoni: I almost thought google made this for their own calendar after installing, its sleek and simple enough to shave off several minutes of mind-sucking attention when trying to schedule a meeting. Calendly is cool, but most people just want to know "when and where" while scheduling a meeting - they don't want to go through the process of using yet another app on top of email. Plus, I feel less pretentious and more down-to-earth using this tool!
- (2023-04-18) Gabriel Leoni: I almost thought google made this for their own calendar after installing, its sleek and simple enough to shave off several minutes of mind-sucking attention when trying to schedule a meeting. Calendly is cool, but most people just want to know "when and where" while scheduling a meeting - they don't want to go through the process of using yet another app on top of email. Plus, I feel less pretentious and more down-to-earth using this tool!
- (2023-04-11) Jace Dispenza: Such a simple and effective way to schedule meetings with people in other time zones. Takes all the adjusting and extra googling out of the equation. Easy! It also helps when a Calendly link just feels a bit inappropriate - I don't always feel comfortable sending a top executive a scheduling link that works for MY schedule... they're typically busier than I am. This is saving me tons of time! Loving it.
- (2023-04-11) Jace Dispenza: Such a simple and effective way to schedule meetings with people in other time zones. Takes all the adjusting and extra googling out of the equation. Easy! It also helps when a Calendly link just feels a bit inappropriate - I don't always feel comfortable sending a top executive a scheduling link that works for MY schedule... they're typically busier than I am. This is saving me tons of time! Loving it.
- (2023-04-11) Matt Gargano: This is a super simple plugin to use and has already saved me a ton of time after a few quick uses.
- (2023-04-11) Matt Gargano: This is a super simple plugin to use and has already saved me a ton of time after a few quick uses.