Data e hora
Ferramentas de idade, diferença de datas e carimbo de data/hora
Escolha uma ferramenta abaixo. Tudo é gratuito e roda no seu navegador.
⏰ Data e hora · Total 28 ferramentas
Calculadora de idadeOnline age calculator: enter birthdate to get exact age in years/months/days, total days/hours, next birthday countdown, zodiac with Gregorian/lunar support.
Calculadora de diferença de idadeCalculate the difference between two dates in years, months and days. Calculates age gap in years/months/days with leap year support.
Despertador onlineOnline alarm clock tool: set time and ringtone with fullscreen and background alert for daily and work reminders, with one-click copy, offline.
Relógio binárioBinary clock tool: show real-time binary clock with multi-format and learning mode for study and geek, with one-click copy, offline.
Contagem regressiva de aniversárioBirthday countdown tool: get countdown and age from birthday with reminders for wishes and anniversaries, with one-click copy, offline.
Cronômetro regressivoCountdown timer: set hours/minutes/seconds with fullscreen, sound alerts and loop for exams, workouts and presentations Supports batch processing and one-click copy.
Adicionar ou subtrair diasDate add/subtract tool: add or subtract days, weeks and months from a date handling month-end and leap years for scheduling, with one-click copy and offline.
Contagem regressiva de dataDate countdown: pick target date to get remaining days, hours and minutes with holiday and anniversary reminders for planning.
Calculadora de diferença entre datasDate difference calculator: count days, weeks, months, business and weekend days between dates with auto order handling, one-click copy and offline.
Conversor de formato de dataDate format converter: enter date to convert to ISO, US, EU, RFC and timestamp with bulk for development and data, with one-click copy and offline.
Consulta de informações da dataDate info calculator: enter date to get weekday, leap year, day of year and quarter with holiday marks for calendar and work planning.
Conversor de serial de data ExcelExcel date converter: convert between Excel serial numbers and dates 1900 system with bulk and formatting for office data, with one-click copy and offline.
Contagem regressiva de festasFestival countdown tool: cover Chinese lunar and Gregorian festivals automatically counting down to next festival for planning, with one-click copy and offline.
Japan Era ConverterJapan era converter: enter Gregorian year to get Reiwa/Heisei/Showa era for Japan, multilingual.
Verificador de ano bissextoLeap year checker: check any year with Gregorian rules showing February days and nearby leap years for learning and calendar, with one-click copy and offline.
Calendário lunar chinêsLunar calendar: convert Gregorian and lunar dates with solar terms, festivals and almanac for traditional holidays. Supports batch processing and one-click copy.
Calculadora de horário de reuniãoMeeting time calculator: enter start and end time to get duration, cost and person-hours with multi-timezone for meeting cost and efficiency.
Planejador de reuniõesMeeting planner: pick two time zones and work hours for the overlap window plus converted times, with one-click copy.
Calculadora de fases da luaMoon phase calculator: enter date to get moon phase, illumination and next full moon with lunar and astronomy data for stargazing.
CronômetroStopwatch timer: support start pause reset and laps with milliseconds and history for sports and lab timing, with one-click copy, offline and multilingual.
Calculadora de tempo relativoTime ago calculator: calculate interval from a time to now with just now, minutes and days and timestamp conversion, one-click copy and offline.
Calculadora de duraçãoTime duration calculator: get duration from start end with multi-segment sum and unit conversion for scheduling, with one-click copy, offline.
Conversor de timestampTimestamp converter: convert Unix seconds to dates showing local and UTC with weekday for development, with one-click copy and offline.
Conversor de fusos horáriosTimezone converter: convert time between source and target zones with multi-city view for meetings and travel, with one-click copy, offline and multilingual.
Diferença de fusoTimezone diff calculator: get difference between two zones with DST and table for collaboration and travel, with one-click copy, offline.
Calculadora de número da semanaWeek number calculator: get ISO week number and start end dates from date for scheduling and projects, with one-click copy, offline.
Relógio mundialWorld clock tool: show real-time multi-city times with difference and DST for collaboration and travel, with one-click copy, offline.
Descobridor de signoZodiac sign finder: get zodiac sign from birthday with traits, fortune and match for fun and daily, with one-click copy, offline and multilingual.
Perguntas frequentes
O que é a categoria Data e hora?
A categoria Data e hora inclui 28 ferramentas gratuitas, todas no navegador.
Estas ferramentas são gratuitas?
Sim, todas gratuitas e sem limites de uso.
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Quais idiomas são suportados?
This site supports 12 languages: Chinese, English, Japanese, Spanish, French, Portuguese, Arabic, Indonesian, Hindi, Thai, Vietnamese and Bengali.