Sundial is free to use. The free tier adds "Scheduling by Sundial" to your emails. Upgrade to Sundial Pro for $5/month to remove it.



Great for casual users of written scheduling who don't mind the "Scheduling by Sundial" tag in emails.

  • Copy written times to clipboard
  • Timezone adjustments
  • Calendar overlays
  • "Scheduling by Sundial" message in emails



Designed for professionals who prefer scheduling via written text and need a professional email appearance.

  • Everything in the Free Plan
  • Removes "Scheduling by Sundial" message in emails

Getting started

To start, install Sundial from the Chrome Web Store. After installing, you can use Sundial for free or upgrade to Sundial Pro from within the extension.