Travel time, jet lag, and sunrise/sunset estimators. Browse our free time tools below — all calculators are instant, accurate, and require no sign-up.
Biking Time Calculator — Calculate cycling time for any distance based on your riding speed. Adjust for road, mountain, or commuter biking conditions.
Commute Time Calculator — Calculate your daily, weekly, monthly, and annual commute time from one-way trip duration. See how much of your life is spent commuting.
Daylight Hours Calculator — Calculate total daylight hours for any location and date. Plan travel activities around available sunlight using latitude and day-of-year inputs.
Descent Time Calculator — Estimate hiking descent time based on distance, elevation loss, gradient, and terrain. Plan safe return trips with accurate downhill time estimates.
Driving Time Calculator — Calculate driving time for road trips including rest stops, fuel stops, and average speed adjustments. Plan your drive accurately.
Flight Time Estimator — Estimate flight duration using great-circle distance and cruise speed. Add taxi and buffer time for realistic gate-to-gate estimates.
Golden Hour Calculator — Calculate golden hour and blue hour times for any location and date. Plan travel photography with optimal lighting conditions for stunning shots.
Hiking Time (Naismith's Rule) Calculator — Estimate hiking time using Naismith's Rule. Factor in distance, elevation gain, terrain, and fitness level for accurate trail time estimates.
Jet Lag Recovery Calculator — Estimate how many days it takes to recover from jet lag based on time zones crossed and direction of travel. Get personalized recovery tips.
Layover Time Calculator — Calculate usable layover time after subtracting reboarding time. Find out if you have enough time to leave the airport during a long layover.
Minimum Connection Time Calculator — Calculate the minimum connection time needed between flights. Factor in deplaning, terminal transit, security, immigration, and boarding buffer.
Pace Calculator — Calculate running or walking pace from distance and time, or estimate finish time from pace. Supports miles and kilometers.
Sea Travel Time Calculator — Calculate sea travel time between ports based on distance in nautical miles and vessel speed in knots. Plan ferry, cruise, and sailing trips accurately.
Transit Time Calculator — Estimate total public transit trip time including walking, waiting, riding, and transfer times. Plan bus, train, and subway commutes.
Sunrise & Sunset Calculator — Calculate sunrise and sunset times from latitude, longitude, and date using solar position formulas. Plan photography and outdoor activities.
Travel Day vs Productive Day Calculator — Calculate the true cost of a travel day by totaling lost productive hours from transit, recovery, and disruption. Compare against your hourly rate.
Travel Time Calculator — Estimate total travel time based on distance, average speed, planned stops, and buffer time. Plan your trips with confidence.
Travel Time Zone Converter — Convert times between your home and destination time zones. Enter origin and destination UTC offsets to see the corresponding local times.
Walking Time Calculator — Calculate how long it takes to walk any distance at your pace. Default 3.1 mph average with adjustable speed for terrain and fitness.