Dátumok és idő Számológépek
Dátum- és időszámítók
Összes Dátumok és idő
Születésnapi Visszaszámláló
Calculate days, hours, and minutes until your next birthday. Enter date of birth — see exact countdown and star sign. Free.
Holdpházis Kalkulátor
Current moon phase and full moon calendar. Full formula with variable legend, worked example and step-by-step chemistry solution.
Hét Száma Kalkulátor
ISO week number for any calendar date. Enter your values — see the result with formula, examples, and step-by-step working. Free.
Időzóna Átalakító
Convert times between world time zones instantly. Enter source time and city — see local time with UTC offset and DST status. Free.
Munkanapok Kalkulátora
Business days between two dates. Enter your values — see the result with formula, examples, and step-by-step working. Free.
Szökőév Kalkulátor
Is any year a leap year and when is the next one?. Enter your values — see the result with formula, examples, and step-by-step working. Free.
Koreai Életkor Kalkulátor
Calculate your age in the Korean age system. Enter date of birth — see Korean age and comparison to international age. Free.
Nyugdíjba Vonulás Dátuma Kalkulátor
Calculate your retirement date by country. Instant result with amortization table, formula and chart. Free financial calculator.
Holdnaptár Kalkulátor
Convert Gregorian dates to lunar calendar. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.
Napok Két Dátum Között Kalkulátor
Count exact days between any two calendar dates. Enter start and end date — see days, weeks, months, business days, and weekends. Free.
Napok Hozzáadása vagy Kivonása a Dátumból
Add or subtract days, weeks, or months from any date. Enter the date and duration — see the result with day of week. Free.
Munkanapok Kalkulátora
Count working days between two dates excluding weekends. Enter your values — see the result with formula, examples, and step-by-step working. Free.
Életkor egy Adott Dátumon Kalkulátor
Calculate your age on any past or future date. Enter DOB and target date — see age in years, months, and days on that date. Free.
Dátum a Hét Napjára Kalkulátor
Find what day of the week any date falls on. Enter any date — see the weekday, ISO week number, and days from today. Free.
Hetek Két Dátum Között Kalkulátor
Calculate full and partial weeks between two dates. Enter start and end date — see complete weeks and remaining days. Free.
Év Negyede Kalkulátor
Find the fiscal or calendar quarter for any date. Enter the date — see current quarter, remaining days, and fiscal year calendar. Free.
Napkelte Napnyugta Kalkulátor
Get sunrise and sunset times for any location and date. Enter city or coordinates — see sunrise, sunset, and hours of daylight. Free.
Napok Hozzáadása a Dátumhoz
Add or subtract days, weeks, or months from any date. Enter start date and duration — see the resulting date with day of week and countdown. Free.
Optimális Szunyókálás Hossz Kalkulátor
Calculate the optimal nap length to avoid sleep inertia. Enter your sleep stage preference — see ideal nap duration and best time of day. Free.
Cirkadián Ritmus Kalkulátor
Map your daily energy peaks and dips based on wake time and chronotype. Enter your values — see the result with formula, examples, and step-by-step working. Free.