Halcyon
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New · Halcyon 2.0

Your mornings, back.

Halcyon is a calendar that keeps your best hours free. It books meetings around your focus, not into it.

The problem

Calendars fill up from the top.

Every invite lands in the first free slot, and the first free slot is usually the hour you meant to think in. Halcyon moves the line.

What it does

Three rules, kept for you.

What it does · Three rules, kept for you.

01

Focus first

Your deep-work blocks go in before anyone else's meetings, every week.

What it does · Three rules, kept for you.

02

Smart batching

Calls are grouped into afternoons, so the day isn't cut into twenty-minute scraps.

What it does · Three rules, kept for you.

03

Polite no

Halcyon suggests a better slot instead of declining, and the other side picks with one tap.

The app

Pick a slot, keep the morning.

When someone asks for your time, Halcyon offers the hours that cost you least. You approve, it books.

  • iPhone
  • Android
  • Web
  • Google and Outlook

By the numbers

11h

Focus hours kept per week

By the numbers

38%

Fewer meeting fragments

By the numbers

2min

To set up

By the numbers

0

Calendars replaced

How it works

Set it up over coffee.

How it works · Set it up over coffee.

Minute 1

Connect

Sign in with Google or Outlook; nothing moves yet.

How it works · Set it up over coffee.

Minute 2

Mark your hours

Paint the blocks you want protected.

How it works · Set it up over coffee.

Day 1

It starts

New invites are steered around your focus.

How it works · Set it up over coffee.

Week 1

You notice

A free morning, then another one.

I got my mornings back in a week. I didn't change a single habit; the calendar did.
☞ Priya N., product designer

Questions

Questions

Does it replace my calendar?

No. Halcyon sits on top of Google Calendar or Outlook and only decides where new things go.

Questions

What do the people I meet see?

A short list of times that work for both of you. No new app to install.

Questions

Can I override it?

Always. Drag anything anywhere; Halcyon learns from what you move.