[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"glossary:en":3,"tool-content:en:date-calculator":4,"published-tools-en":63},[],{"id":5,"documentId":6,"slug":7,"intro":8,"howTo":9,"longContent":10,"createdAt":11,"updatedAt":12,"publishedAt":13,"locale":14,"name":15,"faq":16,"examples":37,"category":38,"seo":47,"localizations":52,"metaTitle":49,"metaDescription":50},112,"w12vs21hawspx0jvd42u6ymw","date-calculator","\u003Cp>This \u003Cstrong>date calculator\u003C\u002Fstrong> covers the two jobs you actually need: count the exact number of days between two dates, or add and subtract days, weeks, months and years from a date. The between mode also splits the span into years, months and days and estimates business days, weekends excluded.\u003C\u002Fp>","\u003Col>\u003Cli>Choose a mode: days between two dates, or add and subtract.\u003C\u002Fli>\u003Cli>Pick your dates, or a start date with an amount and a unit.\u003C\u002Fli>\u003Cli>Read the total days with its breakdown, or the resulting date with its weekday.\u003C\u002Fli>\u003Cli>Copy or share the result with the buttons under the tool.\u003C\u002Fli>\u003C\u002Fol>","\u003Ch2>How many days are there between two dates?\u003C\u002Fh2>\u003Cp>The tool counts every calendar day from the start date to the end date. From January 1 to July 16, 2026 you get exactly \u003Cstrong>196 days\u003C\u002Fstrong>, which reads as 6 months and 15 days. Over the same span it also reports \u003Cstrong>140 business days\u003C\u002Fstrong>: 196 days make 28 whole weeks that each hand over 5 weekdays. That business figure drops Saturdays and Sundays but keeps public holidays, which change from one country to the next.\u003C\u002Fp>\u003Cp>One convention catches people out: the count \u003Cstrong>skips the start day and keeps the end day\u003C\u002Fstrong>. Friday to Monday is 3 days, not 4. If your contract counts both ends, add 1 to the result.\u003C\u002Fp>\u003Ch2>How do you add or subtract from a date?\u003C\u002Fh2>\u003Cp>In add mode, days and weeks are plain arithmetic: January 1, 2026 plus 90 days lands on \u003Cstrong>April 1, 2026\u003C\u002Fstrong>, a Wednesday. Type a negative amount to go backwards, so July 16 minus 6 weeks gives June 4.\u003C\u002Fp>\u003Cp>Months and years follow the calendar, not a fixed length. Add 1 month to January 31 and you get February 28 in a common year, February 29 in a leap year, because February has no 31st. The day is \u003Cstrong>clamped to the last day\u003C\u002Fstrong> of the target month, the same rule banks and payroll use for end of month deadlines.\u003C\u002Fp>\u003Ch2>What can you actually work out with it?\u003C\u002Fh2>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Question\u003C\u002Fth>\u003Cth>Setup\u003C\u002Fth>\u003Cth>Answer\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>Project deadline in 90 days\u003C\u002Ftd>\u003Ctd>Jan 1, 2026 + 90 days\u003C\u002Ftd>\u003Ctd>Apr 1, 2026 (Wednesday)\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Visa: 180-day rule\u003C\u002Ftd>\u003Ctd>Entry date + 180 days\u003C\u002Ftd>\u003Ctd>Last permitted day\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Notice period of 3 months\u003C\u002Ftd>\u003Ctd>Resignation date + 3 months\u003C\u002Ftd>\u003Ctd>Last working day\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Days until a wedding\u003C\u002Ftd>\u003Ctd>Today to the wedding date\u003C\u002Ftd>\u003Ctd>Countdown in days\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Ch2>Do leap years ever break the count?\u003C\u002Fh2>\u003Cp>No. Every calculation runs on real calendar dates, so February 29 is counted whenever the span crosses one. Between February 1 and March 1, 2024 the tool returns 29 days; the same window in 2026 returns 28. It never leans on shortcuts like months times 30.4.\u003C\u002Fp>\u003Ch2>How many working days are in a year?\u003C\u002Fh2>\u003Cp>Take 2026 as a worked example. The year runs 365 days and opens on a Thursday, so the single day past 52 full weeks is a weekday. That leaves 104 Saturdays and Sundays and \u003Cstrong>261 weekdays\u003C\u002Fstrong>. Strip out the 11 US federal holidays, all on weekdays in 2026, and \u003Cstrong>250 working days\u003C\u002Fstrong> remain.\u003C\u002Fp>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>2026\u003C\u002Fth>\u003Cth>Count\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>Calendar days\u003C\u002Ftd>\u003Ctd>365\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Saturdays and Sundays\u003C\u002Ftd>\u003Ctd>104\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Weekdays\u003C\u002Ftd>\u003Ctd>261\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Federal holidays on weekdays\u003C\u002Ftd>\u003Ctd>11\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Working days\u003C\u002Ftd>\u003Ctd>250\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Cp>The number drifts a little each year: a common year holds 260 or 261 weekdays depending on its starting weekday, and a leap year can reach 262. Two conversions fall straight out of the 2026 figures. At 8 hours a day, 250 working days build a \u003Cstrong>2,000 hour\u003C\u002Fstrong> work year, and a 60,000 salary split across 250 days gives a day rate of exactly 240.00.\u003C\u002Fp>","2026-07-17T11:47:11.206Z","2026-07-17T12:53:03.880Z","2026-07-17T12:53:04.796Z","en","Date Calculator",[17,21,25,29,33],{"id":18,"question":19,"answer":20},629,"How many days are there between two dates?","\u003Cp>Count every calendar day after the start date up to and including the end date. From January 1 to July 16, 2026 that gives \u003Cstrong>196 days\u003C\u002Fstrong>. The count runs on real dates, so a February 29 is always included when the span crosses one.\u003C\u002Fp>",{"id":22,"question":23,"answer":24},630,"Does the count include both dates?","\u003Cp>No. The convention here skips the start day and keeps the end day, which is how ages, deadlines and interest periods are usually counted. If you need both ends included, add 1 to the total.\u003C\u002Fp>",{"id":26,"question":27,"answer":28},631,"How are business days counted?","\u003Cp>The tool removes Saturdays and Sundays, so a full week leaves 5 business days. It does not subtract public holidays, since those differ by country and year. Treat the figure as an upper bound and take off your local holidays.\u003C\u002Fp>",{"id":30,"question":31,"answer":32},632,"What happens when I add a month to January 31?","\u003Cp>You get February 28, or February 29 in a leap year. When the target month is shorter than the starting day, the result clamps to the last day of that month. Add another month and you land on March 28 or 29, not March 31.\u003C\u002Fp>",{"id":34,"question":35,"answer":36},633,"Can I subtract dates or use negative amounts?","\u003Cp>Yes. In add mode a negative amount goes backwards: minus 6 weeks from July 16, 2026 gives June 4, 2026. In between mode, if the end date sits before the start date, the tool swaps them and tells you it did.\u003C\u002Fp>",[],{"id":39,"documentId":40,"uid":41,"name":42,"tagline":43,"hubContent":44,"createdAt":45,"updatedAt":45,"publishedAt":46,"locale":14},18,"ehwrtpouixz8z6oll6q4uz1z","date","Time & Date","Ages, durations, dates and hours worked","\u003Cp>Date math is where spreadsheets quietly betray you: months have different lengths, years leap, shifts cross midnight. These calculators handle those edge cases explicitly. Compute an exact age, count the days between two dates or total a time card with breaks, and see the method under each result.\u003C\u002Fp>","2026-07-17T11:46:52.373Z","2026-07-17T12:01:48.621Z",{"id":48,"metaTitle":49,"metaDescription":50,"keywords":51,"metaRobots":51,"structuredData":51,"metaViewport":51,"canonicalURL":51},151,"Date Calculator: Days Between Dates, Add or Subtract","Count the exact days between two dates, with business days, or add and subtract days, weeks, months and years from any date. Free and instant.",null,[53],{"id":54,"documentId":6,"slug":7,"intro":55,"howTo":56,"longContent":57,"createdAt":58,"updatedAt":59,"publishedAt":60,"locale":61,"name":62},172,"\u003Cp>Ce \u003Cstrong>calcul de jours entre deux dates\u003C\u002Fstrong> couvre les deux besoins courants : compter le nombre exact de jours qui séparent deux dates ou ajouter et retirer des jours, semaines, mois et années à une date. Le mode écart détaille aussi la durée en années, mois et jours et estime les jours ouvrés, week-ends exclus.\u003C\u002Fp>","\u003Col>\u003Cli>Choisissez un mode : jours entre deux dates ou ajout et retrait.\u003C\u002Fli>\u003Cli>Indiquez vos dates ou une date de départ avec une quantité et une unité.\u003C\u002Fli>\u003Cli>Lisez le total de jours avec son détail ou la date obtenue avec son jour de la semaine.\u003C\u002Fli>\u003Cli>Copiez ou partagez le résultat avec les boutons sous l’outil.\u003C\u002Fli>\u003C\u002Fol>","\u003Ch2>Combien de jours séparent deux dates ?\u003C\u002Fh2>\u003Cp>L’outil compte chaque jour de calendrier entre la date de début et la date de fin. Du 1er janvier au 16 juillet 2026, il y a exactement \u003Cstrong>196 jours\u003C\u002Fstrong>, soit 6 mois et 15 jours. Sur la même période il affiche aussi \u003Cstrong>140 jours ouvrés\u003C\u002Fstrong> : 196 jours font 28 semaines pleines qui apportent chacune 5 jours ouvrés. Ce chiffre retire les samedis et dimanches mais garde les jours fériés, qui changent d’un pays à l’autre.\u003C\u002Fp>\u003Cp>Une convention piège souvent : le jour de départ est \u003Cstrong>exclu\u003C\u002Fstrong>, le jour d’arrivée \u003Cstrong>inclus\u003C\u002Fstrong>. De vendredi à lundi, il y a 3 jours, pas 4. Si votre contrat compte les deux bornes, ajoutez 1 au résultat.\u003C\u002Fp>\u003Ch2>Comment ajouter ou retirer à une date ?\u003C\u002Fh2>\u003Cp>En mode ajout, les jours et les semaines relèvent de l’arithmétique simple : le 1er janvier 2026 plus 90 jours tombe le \u003Cstrong>1er avril 2026\u003C\u002Fstrong>, un mercredi. Saisissez une quantité négative pour reculer, donc le 16 juillet moins 6 semaines donne le 4 juin.\u003C\u002Fp>\u003Cp>Les mois et les années suivent le calendrier plutôt qu’une durée fixe. Ajoutez 1 mois au 31 janvier : vous obtenez le 28 février en année normale et le 29 février en année bissextile, faute d’un 31 février. Le jour est \u003Cstrong>ramené au dernier jour\u003C\u002Fstrong> du mois cible, la règle qu’appliquent les banques et la paie aux échéances de fin de mois.\u003C\u002Fp>\u003Ch2>Que peut-on calculer concrètement ?\u003C\u002Fh2>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Question\u003C\u002Fth>\u003Cth>Réglage\u003C\u002Fth>\u003Cth>Réponse\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>Échéance de projet à 90 jours\u003C\u002Ftd>\u003Ctd>1er janv. 2026 + 90 jours\u003C\u002Ftd>\u003Ctd>1er avril 2026 (mercredi)\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Préavis de 3 mois\u003C\u002Ftd>\u003Ctd>Date de la lettre + 3 mois\u003C\u002Ftd>\u003Ctd>Dernier jour travaillé\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Séjour Schengen de 90 jours\u003C\u002Ftd>\u003Ctd>Date d’entrée + 90 jours\u003C\u002Ftd>\u003Ctd>Dernier jour autorisé\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Jours avant un mariage\u003C\u002Ftd>\u003Ctd>Aujourd’hui à la date du mariage\u003C\u002Ftd>\u003Ctd>Compte à rebours en jours\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Ch2>Les années bissextiles faussent-elles le compte ?\u003C\u002Fh2>\u003Cp>Non, chaque calcul travaille sur de vraies dates de calendrier, donc le 29 février est compté dès que la période en traverse un. Entre le 1er février et le 1er mars 2024, l’outil renvoie 29 jours ; la même fenêtre en 2026 en renvoie 28. Il ne s’appuie jamais sur des raccourcis comme mois fois 30,4.\u003C\u002Fp>\u003Ch2>Combien de jours ouvrés compte une année ?\u003C\u002Fh2>\u003Cp>En prenant 2026 comme exemple chiffré, on part d’une année de 365 jours qui démarre un jeudi, si bien que le jour au-delà des 52 semaines pleines est un jour de semaine. Restent 104 samedis et dimanches et \u003Cstrong>261 jours de semaine\u003C\u002Fstrong>. En France, 9 des 11 jours fériés de 2026 tombent en semaine, le 15 août étant un samedi et le 1er novembre un dimanche, ce qui laisse \u003Cstrong>252 jours ouvrés\u003C\u002Fstrong>.\u003C\u002Fp>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>2026 (France)\u003C\u002Fth>\u003Cth>Nombre\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>Jours de calendrier\u003C\u002Ftd>\u003Ctd>365\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Samedis et dimanches\u003C\u002Ftd>\u003Ctd>104\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Jours de semaine\u003C\u002Ftd>\u003Ctd>261\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Jours fériés en semaine\u003C\u002Ftd>\u003Ctd>9\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Jours ouvrés\u003C\u002Ftd>\u003Ctd>252\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Cp>Le chiffre bouge un peu chaque année, une année de 365 jours comptant 260 ou 261 jours de semaine selon son jour de départ, quand une année bissextile peut grimper à 262. Ces mêmes chiffres de 2026 débouchent sur deux conversions utiles au quotidien. À 7 heures par jour, 252 jours ouvrés bâtissent une année de \u003Cstrong>1 764 heures\u003C\u002Fstrong>. Un salaire de 45 000 euros réparti sur ces mêmes 252 jours revient à un taux journalier de 178,57 euros.\u003C\u002Fp>","2026-07-17T11:47:11.872Z","2026-07-17T12:55:03.132Z","2026-07-17T12:55:04.079Z","fr","Calcul de jours entre deux dates",{"slugs":64},[65,66,67,68,69,7,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84],"age-calculator","average-calculator","cd-calculator","concrete-calculator","cursive-font-generator","fantasy-name-generator","final-grade-calculator","fraction-calculator","glitch-text-generator","gpa-calculator","grade-calculator","hex-converter","hours-calculator","interest-calculator","military-time-converter","roman-numeral-converter","password-generator","kg-to-lbs-converter","binary-converter","celsius-to-fahrenheit-converter"]