Time math.
Zero fuss.
Fast calculators for dates, shifts, sleep, and the questions your brain refuses to count.
Count the days
Uses your device’s local date.
Pick a calculator
One focused tool for each small temporal crisis.
Days until a date
Count calendar days to any date.
Hours ago
Find the exact past date and time.
Work shift hours
Calculate hours, breaks, and overnight shifts.
Age in days
See exactly how many days old you are.
Date from now
Add or subtract days from today.
Weekends left
Count Saturdays before a future date.
Sleep calculator
Find bedtimes from your wake-up time.
How TimeGoblin works
Every calculator runs locally in your browser using your device’s date, clock, and time-zone settings. No account is required, and calculator entries are not stored in a TimeGoblin database.
Results are designed for everyday planning. Confirm legal, payroll, medical, or contractual decisions with the relevant authoritative source.