Dato og tid

Aldersberegner · Beregner til dage mellem datoer · Hebraisk kalenderomregner

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Aldersberegner

Beregn din præcise alder i år, måneder og dage. Find ud af, hvor mange dage, uger, timer og minutter du har levet, og hvor mange dage der er til din næste fødselsdag.

Engelsk

Beregner til dage mellem datoer

Beregn den nøjagtige varighed mellem to datoer og tidspunkter. Resultat i år, måneder, dage, timer, minutter og sekunder.

Thai

Buddhist Calendar Converter

Convert dates between the Gregorian calendar (CE) and the Thai Buddhist Era calendar (BE). Handles the pre-1941 Thailand reform automatically.

Engelsk

Chinese Lunar Calendar Converter

Convert any date between the Gregorian calendar and the Chinese, Vietnamese, or Korean lunar (lunisolar) calendar. See the zodiac animal, sexagenary year, element, solar term and leap-month status instantly.

Engelsk

Hebraisk kalenderomregner

Omregn datoer mellem den hebraiske (jødiske) og den gregorianske kalender. Inkluderer Adar I/II i skudår og nedtælling til kommende helligdage.

Engelsk

Hijri Calendar Converter

Convert dates between the Hijri (Islamic) lunar calendar and the Gregorian calendar. Shows AH year, Ramadan and Eid countdowns, and Arabic-Indic numerals.

Engelsk

Japanese Era Converter

Convert dates between the Gregorian calendar and the Japanese era calendar (wareki) across Meiji, Taisho, Showa, Heisei and Reiwa. Day-exact era resolution, gannen handling, and the Japanese-script date ready to copy.

Engelsk

Korean Age Calculator (Man nai, Se-neun nai, Yeon nai)

Calculate your Korean age in all three systems — Man nai (legal, since 2023), Se-neun nai (traditional) and Yeon nai (year age) — from a single date of birth.

Engelsk

Old Style / New Style Date Converter

Convert a date exactly as a historical document writes it — Julian or Gregorian, Lady Day or 1 January, double-dated or numbered — into every other reading of the same day.

Engelsk

Persian Calendar Converter

Convert any date between the Persian (Solar Hijri, Jalali, Shamsi) calendar and the Gregorian calendar, in both directions.

Engelsk

Pet Age Calculator — Dog & Cat Years in Human Years

Convert your pet's age into human years using veterinary life-stage data, not the ×7 myth. Dogs by size class, cats, horses and five small pets, in both directions.

Engelsk

Time Converter

Convert time between nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, fortnights, months, years, and decades. Exact SI factors, honest Julian month and year conventions.

Engelsk

World Calendars Converter

Convert any date across six world calendar systems at once: Gregorian, Hijri, Hebrew, Persian, Japanese Era, and Buddhist.

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