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Golden Windows

Schedule when people are sharp — not just awake.

Awake is not the same as sharp

Most schedulers find times when calendars are free. ClockAlign finds times when brains are on. Each person has an energy curve across their day — a morning peak, a post-lunch dip, an afternoon recovery. A Golden Window is a slot where the whole team's curves are high at once.

Energy curves and chronotypes

Pick the curve that matches you, or draw your own:

  • Early bird: peak 8–11am, fading after 4pm
  • Normal: peak 10am–12pm, secondary peak 4–6pm, lunch dip in between
  • Night owl: slow morning, strong late afternoon and evening
  • Custom: a 24-point draggable curve for precise control — useful for parents, shift workers, or anyone whose day doesn't fit a preset

The quality score

Each candidate window is scored from the team's combined curves:

  • 40% average sharpness — how good the slot is overall
  • 30% minimum sharpness — no one gets sacrificed for the average
  • 20% availability — calendars and working hours
  • 10% evenness — balanced energy beats one person carrying the call

The heatmap (paid plans) paints all 24 hours: green for 80%+ collective sharpness, amber for 60–80%, red below, and grey when someone is asleep.

Hard boundaries

Working hours and focus blocks are respected absolutely — a slot outside someone's boundaries is never suggested, no matter how good the collective score looks.

Keep reading

Fair Time Finder

See your team's golden windows — free, no signup

Next guide: Async Nudge

When the best meeting is no meeting

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Scheduling that respects everyone’s clock. © 2026 ClockAlign, Inc.