Dates & Time guides
4 guides — practical answers with the math shown, each paired with a free calculator.
Dates & Time
Federal Holidays: the Dates, and the Rules Behind Them
Eleven federal holidays — but not always eleven days off. The holiday keeps its statutory date; only the day off moves, and sometimes it moves into the next year.
August 28, 2026 · 8 min read
Dates & Time
How Many Working Days Are in a Year?
250 working days, 2,000 hours, exactly 50 five-day weeks. That tidy set of numbers is true this year and wrong next year, and the leap year is not the reason.
August 28, 2026 · 6 min read
Dates & Time
How Time Card Rounding Changes Your Overtime Pay
The same 70 minutes of rounding is worth $25.67 in one week and $38.50 in the next. Nothing changed but the total.
August 15, 2026 · 10 min read
Dates & Time
How to Schedule a Meeting Across Time Zones Without DST or Date-Line Mistakes
A workflow for choosing, validating, and communicating a meeting time when offsets, calendar dates, and daylight-saving transitions can differ.
August 11, 2026 · 10 min read