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日期差计算器

免费日期差计算器。精确计算两个日期之间相隔的年、月、周、日、小时和分钟数。用于项目、纪念日或计划。

Runs in your browser

编辑注

Understanding · Subtracting two dates is harder than it looks.

本深度章节目前仅有英文版本。上方的转换工具支持您的语言;长篇说明文章尚未翻译。

常见问题

Quick answers.

How many days between two dates?

Pick the start and end date — we count the days, including or excluding the end date depending on your preference.

Does it count the start and end day?

By default we count the gap between dates (inclusive of one endpoint). For exact day counts (both endpoints inclusive) add 1.

How are months and years computed?

We give you both: a 'calendar' breakdown (e.g. 1 year 2 months 3 days) and totals in days, weeks, etc. The breakdown follows civil calendar rules.

Does it handle leap years?

Yes — leap years are accounted for in all calculations.

Is the calculator free?

Yes — fully free, no signup, runs in your browser.

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