Kairos: Daily Rhythm Planner

Spring clean your life! Work with your biology — discover your peak hours for focus and creativity. Free.

What if you knew exactly when to work, rest, and perform at your peak?

YOUR CIRCADIAN ADVANTAGE Your brain, body, and energy follow predictable 24-hour cycles. Research shows cognitive peak is mid-morning, creative flow rises in late morning, and physical peak hits mid-afternoon. Kairos makes this science actionable.

6 ACTIVITY WINDOWS See your optimal hours for: • Focus — deep work and problem-solving • Wellness — exercise and physical performance • Creativity — brainstorming and creative flow • Social — communication and collaboration • Finance — decision-making and strategy • Relationships — emotional connection

HOURLY PEAK GUIDE The Timing tab shows a science-backed schedule for all 24 hours — each slot backed by published research on circadian biology, cortisol cycles, melatonin timing, and ultradian rhythms.

THE SCIENCE BEHIND IT Built on research by Till Roenneberg, Russell Foster, and Matthew Walker. Each recommendation cites the specific biological mechanism driving it — not guesswork, not superstition.

PERSONALIZED TO YOU Enter your birth date to calibrate your chronotype (morning lark or night owl). Kairos adjusts your peak windows to match your natural rhythm.

DAILY STREAK Track your daily planning streak and history to see how your energy patterns evolve over time.

17 LANGUAGES SUPPORTED English, Japanese, Chinese, Korean, Spanish, French, German, and more.

Work with your biology, not against it.

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