Travel

Calculate Daylight Hours for Any Date & Location

Built by Kevin Glover · @gloverbuilds · Verified formula

Estimate sunrise, sunset, and total daylight hours for trip planning, photography, and outdoor activities.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

In this article

How Daylight Varies
Golden Hour Photography

India

India single timezone (IST UTC+5:30) despite 2,000+ km east-west span! Arunachal Pradesh sunrise: 4:30 AM summer। Gujarat: 6:00 AM same day — 1.5h difference! Northeast India arguably needs separate timezone. Longest day (21 June): ~13.5h Delhi। Shortest: ~10.5h।

Photography

Golden hour: 30-60 min after sunrise, before sunset। Indias best: Taj Mahal sunrise, Varanasi ghats, Kerala backwaters, Ladakh landscapes।

⚡ CalcWolf Insight

Landscape photographers call the 20 minutes around sunrise/sunset the "magic minutes" — when the sky can turn vivid pink, orange, and purple. Being set up and ready 30 minutes before sunrise is the difference between capturing a spectacular shot and missing it. This calculator helps you plan exactly when to arrive.

Frequently asked questions

Longest day India?▾

~21 June: 13-14h daylight (varies by latitude)। Delhi: ~13.5h。

Single timezone?▾

Yes — despite 1.5h sunrise difference across India. Northeast suffers most。

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Kevin Glover · @gloverbuilds

Founder, CalcWolf · GLVTS · Blickr

All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →