Time & Date Studio
Convert time units, calculate date differences, check world clocks, and use precision stopwatch & timer utilities — all client-side, zero latency.
🔄 Time Converters
Weeks to Months Converter
Convert weeks to months (weeks to months) with exact decimal & month/day breakdowns. Calculate orthopedic recovery times (6 wks = 1.38 mos, 12 wks = 2.76 mos) and tendon rehab.
Days to Months Converter
Convert days to months (days to months) using the standard 30.44-day solar month ratio. Calculate employee onboarding probation (90 days = 2.96 mos) and clearance renewals.
Months to Years Converter
Convert months to years (months to years) with exact decimal & year/month remainders. Calculate infant milestones (18 mos = 1.5 yrs) and 36-month car lease terms.
Days to Weeks Converter
Convert gestational days to pregnancy weeks (days to wks) with exact week/day remainder decomposition. Calculate ultrasound milestone scans (112 days = 16 wks, 196 days = 28 wks).
Hours to Weeks Converter
Convert hours to weeks (hr to weeks) with both calendar (168 hr/wk) & work week (40 hr/wk) modes. Calculate overtime caps (80 hrs = 2.0 work wks) and part-time labor.
Days to Years Converter
Convert days to years (days to years) using leap-year precision (365.25 d/yr). Calculate aircraft engine TBO cycles (1,826 days = 5.0 yrs, 3,652 days = 10 yrs) and avionics inspections.
Weeks to Years Converter
Convert weeks to years (weeks to years) with solar calendar accuracy (52.18 wks/yr). Calculate K-12 school instructional calendars (36 wks = 0.69 yr, 18 wks = 0.34 yr) and semesters.
Seconds to Minutes Converter
Convert seconds to minutes (sec to min) with exact decimal & remainder breakdowns. Calculate audio track durations (180s = 3m, 210s = 3m 30s) and video clips.
Minutes to Hours Converter
Convert minutes to hours (min to hr) with exact decimal & remainder hours/minutes. Calculate flight layover times (150 min = 2.5 hrs / 2h 30m) and timesheet logs.
Seconds to Hours Converter
Convert seconds to hours (sec to hr) with exact decimal & remainder hours/min/sec. Calculate 3D video render times (7,200s = 2.0 hrs) and marathon race pacing.
Minutes to Days Converter
Convert minutes to days (min to days) with exact decimal & fractional breakdowns. Calculate airline flight crew rest windows (1,440 min = 1.0 day) and aviation duty caps.
Seconds to Days Converter
Convert seconds to days (sec to days) with exact decimal & day/hr/min breakdowns. Calculate space mission clocks (86,400s = 1.0 day, 604,800s = 7 days) and telemetry.
Days to Seconds Converter
Convert days to seconds (days to sec) instantly using the 1:86,400 multiplier. Calculate Unix epoch expiration TTLs (7 days = 604,800s) and TLS certificate validities.
Milliseconds to Seconds Converter
Convert milliseconds to seconds (ms to s) instantly using the 1,000:1 ratio. Calculate server TTFB latency (250 ms = 0.25s), database queries, and network pings.
Seconds to Milliseconds Converter
Convert seconds to milliseconds (s to ms) instantly using the 1:1,000 multiplier. Calculate frontend UI transitions (0.3s = 300 ms), CSS easings, and setTimeout delays.
Milliseconds to Minutes Converter
Convert milliseconds to minutes (ms to min) instantly using the 60,000:1 ratio. Calculate server uptime logs (120,000 ms = 2 min), webhooks, and video render slices.
Minutes to Milliseconds Converter
Convert minutes to milliseconds (min to ms) instantly using the 1:60,000 multiplier. Calculate frontend polling intervals (5 min = 300,000 ms) and audio buffers.
Milliseconds to Hours Converter
Convert milliseconds to hours (ms to hr) instantly using the 3,600,000:1 ratio. Calculate crash dump uptimes (7,200,000 ms = 2 hrs) and device battery benchmarks.
Hours to Milliseconds Converter
Convert hours to milliseconds (hr to ms) instantly using the 1:3,600,000 multiplier. Calculate cloud microservice SLAs (8 hrs = 28,800,000 ms) and user session leases.
Nanoseconds to Seconds Converter
Convert nanoseconds to seconds (ns to s) instantly using the 1,000,000,000:1 ratio. Calculate CPU L1/L2 cache latency (50 ns = 0.00000005s) and DDR5 RAM timings.
Seconds to Nanoseconds Converter
Convert seconds to nanoseconds (s to ns) instantly using the 1:1,000,000,000 multiplier. Calculate laser pulse widths (0.000001s = 1,000 ns) and high-speed optics.
Time Converter Studio
Convert between all time units instantly. Supports nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, and years on a single page.
Microseconds to Milliseconds Converter
Convert microseconds to milliseconds (µs to ms) instantly using the 1,000:1 ratio. Calculate microcontroller ISR routines (500 µs = 0.5 ms) and PWM frequencies.
Milliseconds to Microseconds Converter
Convert milliseconds to microseconds (ms to µs) instantly using the 1:1,000 multiplier. Calculate gaming monitor input lag (16.67 ms = 16,670 µs) and digital audio DAC buffers.
Hours to Days Converter
Convert hours to days (hr to days) with exact decimal & day/hour remainders. Calculate hospital shift schedules (72 hrs = 3.0 days), hotel stays, and travel itineraries.
Minutes to Seconds Converter
Convert minutes to seconds (min to sec) instantly using the 1:60 multiplier. Calculate HIIT workout intervals (4.5 min = 270s), cooking timers, and toastmaster speeches.
Hours to Minutes Converter
Convert hours to minutes (hr to min) instantly using the 1:60 multiplier. Calculate freelance client sessions (1.75 hrs = 105 min), therapy appointments, and exam durations.
Hours to Seconds Converter
Convert hours to seconds (hr to sec) instantly using the 1:3,600 multiplier. Calculate physics equations (3 hrs = 10,800s), astronomical orbital periods, and fluid flow rates.
Days to Hours Converter
Convert days to hours (days to hr) instantly using the 1:24 multiplier. Calculate construction milestone deadlines (14 days = 336 hrs) and corporate sabbatical hours.
Days to Minutes Converter
Convert days to minutes (days to min) instantly using the 1:1,440 multiplier. Calculate sterile bioreactor fermentation cycles (3 days = 4,320 min) and drug incubations.
Weeks to Days Converter
Convert weeks to days (weeks to days) instantly using the 1:7 multiplier. Calculate civil litigation discovery windows (4 weeks = 28 days), deposition notices, and court motions.
Weeks to Hours Converter
Convert weeks to hours (weeks to hr) instantly with calendar (168h) & working (40h) options. Calculate 2-week sprint capacity (80 engineering hrs) and course terms.
Months to Days Converter
Convert months to days (months to days) instantly using 30.44-day calendar average or 30-day commercial rules. Calculate tenant fit-out timelines (6 mos = 182.6 days) and buildouts.
Months to Weeks Converter
Convert months to weeks (months to weeks) instantly using the 1:4.348 multiplier. Calculate software release trains (3 mos = 13.04 wks, 6 mos = 26.09 wks) and quarterly roadmaps.
Years to Days Converter
Convert years to days (years to days) instantly using 365.25-day leap-year accuracy. Calculate treasury bond maturities (10 yrs = 3,652.5 days) and fixed income accruals.
Years to Weeks Converter
Convert years to weeks (years to weeks) instantly using the 1:52.18 multiplier. Calculate venture capital deployment windows (4 yrs = 208.7 wks, 10 yrs = 521.8 wks) and LP capital calls.
Years to Months Converter
Convert years to months (years to months) instantly using the 1:12 multiplier. Calculate 401(k) retirement vesting (4 yrs = 48 mos) and 30-year mortgages (360 mos).
📅 Date Calculators
Date Time Today
Today's date and time, day of the week, week number, month, year, epoch time, military time, today special day
Age Calculator
Calculate age for a given date of birth.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Includes weekend exclusions, leap-year calculations, and legal notice countdowns.
Add or Subtract Days Calculator
Add or subtract days, weeks, months, or years from any starting date. Calculate invoice payment due dates (Net 30/60), warranty expiration dates, and court deadlines.
Epoch Date Time Converter
Epoch to Readable Date Time Format
Date of Birth (DOB) Calculator
Calculate date of birth from age
Days Since Calculator
Calculate how many days, weeks, months, or years have passed since any date. Live count-up clock, business days passed, and milestone metrics.
Working & Business Days Calculator
Calculate the exact number of business days (working days) between two dates. Exclude standard holidays, add custom holidays, and download detailed reports.
Days Until Calculator
Calculate how many days are remaining until any date. Live countdown timer, business days (excl. weekends), weeks left, months left, and progress bar.
Week Number Calculator
Calculate current week numbers instantly. Supports ISO 8601 and US standards. Find week start/end dates, view full-year directory directories, and query dates.
🌐 World Clock
Timezone Converter & Global Meeting Planner
Convert times between any two timezones instantly. See exact time differences, DST changes, and a 24-hour global meeting planner. Fast & accurate.
World Clock & Global Timezone Studio
Accurate live time across global cities and timezones. Interactive 24-hour timeline scrubber, international meeting planner matrix, and DST schedules.
🌍 Popular Time Zone Conversions
🕰️ Popular World Clocks
⚙️ Utilities
Digital Tally Counter
Count up or Count down easily with this simple digital counter
Online Digital Timer
Set the time and countdown with accuracy! Conquer your day with our alarm-equipped timer. Free, simple and effective!
Precision Online Stopwatch with Laps
Professional millisecond stopwatch with lap tracking, split times, and NLP benchmark settings. Mobile-optimized for athletics and productivity.
Moon Phase Calculator
Calculate the current moon phase, age, and illumination percentage. View traditional Vedic (Tithi, Rashi, Nakshatra), Tamil, Arabic (Hijri), Chinese, Celtic, and Mayan lunar signs with our interactive date calculator.
Overview & Capabilities
An all-in-one studio to convert any time unit to all others. Enter a value in one input and see all other units update in real-time, accompanied by visual progress gauges.
How to Use
Key Features
Common Use Cases
Tips & Best Practices
Related Tools
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Includes weekend exclusions, leap-year calculations, and legal notice countdowns.
Add or Subtract Days from Date Calculator
Add or subtract days, weeks, months, or years from any starting date. Calculate invoice payment due dates (Net 30/60), warranty expiration dates, and court deadlines.
Days Until Calculator
Calculate how many days are remaining until any date. Live countdown timer, business days (excl. weekends), weeks left, months left, and progress bar.
Days Since Calculator
Calculate how many days, weeks, months, or years have passed since any date. Live count-up clock, business days passed, and milestone metrics.
Week Number Calculator
Calculate current week numbers instantly. Supports ISO 8601 and US standards. Find week start/end dates, view full-year directory directories, and query dates.
Frequently Asked Questions
Q How many seconds are in a day?
There are exactly 86,400 seconds in a standard calendar day.
Q Is a leap year accounted for in years?
For unit conversion stability, a standard year is defined as exactly 365 days (31,536,000 seconds).