Time & Date Guides
Everything you need to know about time & date concepts.
3 min read
How to Calculate Business Days Between Two Dates
Learn the math behind calculating business days, excluding weekends, and accounting for public holidays accurately.
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How to Add or Subtract Days from a Date
Learn how calendar math works when adding or subtracting days, weeks, and months from a starting date.
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Business Days vs Calendar Days Explained
Understand the critical difference between business days and calendar days for shipping, contracts, and deadlines.
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Leap Years Explained: Why We Have February 29th
Discover the astronomical reasons behind leap years, how the mathematical rules work, and why skipping leap years occasionally is necessary.
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Why Date Calculations Can Be Off by One Day
Learn why software bugs and manual date math often result in off-by-one errors, and how time zones and DST shifts cause these issues.
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