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Age, date difference, work hours, and time zones. All calculators are free, instant, and require no signup.
12 available
Compute sunrise, sunset, solar noon, and day-length for any city or coordinates on any date. NOAA solar position algorithm — accurate to within ±1 minute. Supports 50+ Indian cities + custom lat/long.
Find today's Rahu Kaal (inauspicious 1/8th of daylight) by city. Day-of-week pattern: Mon 7:30-9, Tue 3-4:30, Wed 12-1:30, Thu 1:30-3, Fri 10:30-12, Sat 9-10:30, Sun 4:30-6 (proportional to actual sunrise-sunset).
Compute the 8 day Choghadiya + 8 night Choghadiya muhurats — Amrit / Shubh / Labh (auspicious), Char (neutral), Udveg / Rog / Kaal (inauspicious). Time-of-start varies by city sunrise. Day-of-week pattern fixed.
Compute today's Panchang — the 5 time elements: Tithi (lunar day), Nakshatra (lunar mansion), Yoga (sun+moon combined), Karana (half-tithi), Vaara (weekday). Uses Lahiri Ayanamsa (Govt of India Calendar Reform Committee sidereal reference).
Find the exact moonrise time for Karva Chauth (Kartik Krishna Chaturthi) in your city. Supports 50+ Indian cities + custom lat/long. Critical for the moonrise-sighting fast-breaking ritual.
Calculate exact age in years, months, days, and hours from your date of birth.
Calculate days between dates, add or subtract days, and find business days.
Add, subtract, and convert hours, minutes, and seconds. Calculate time duration.
Count the number of days between two dates including or excluding weekends.
Convert times between different time zones and find the current time worldwide.
Calculate the exact age difference between two people in years, months, and days.
Find what day of the week any date falls on — past or future.
Dates and time carry a lot of weight in everyday Indian life — calculating your exact age for a form, counting the days until an exam or a wedding, working out notice periods, or finding an auspicious time on the panchang. This category brings together precise, easy date and time tools that handle the fiddly parts for you: leap years, varying month lengths, and the IST offset that trips up so many online converters.
Popular tools here include the age calculator (exact years, months, and days), the date difference and day counter, the day-of-week finder, work-hours and time-zone calculators, and a set of India-specific almanac tools — panchang, sunrise and sunset, Rahu Kaal, and festival timings like Karva Chauth moonrise. Each result is computed carefully, and the cultural tools are presented respectfully with clear notes on how the timings are derived and when to defer to a local panchang.
All date and time calculators are free, work on any device, and require no signup. They are built for accuracy in the Indian context — IST by default, the Gregorian calendar for civil dates, and astronomical formulas for sunrise, sunset, and lunar timings. Use them for planning and reference; for binding religious muhurat or legally significant dates, always confirm with an authoritative panchang or the relevant official source.