Network calibration
Compares multiple time sources while accounting for latency and outlier measurements.
NETWORK CALIBRATED
Accurate to
the millisecond.
Measure how far your device clock differs from true time. Start a broadcast, event or experiment on the exact second.
LIVE REFERENCE TIME CALIBRATED
12:00:00.000
4 TIME SERVERS94% CONFIDENCEOFFSET −37 MS
±12 msMEASURED UNCERTAINTY
3INDEPENDENT PROVIDERS
94%CONFIDENCE SCORE
0ADS · ACCOUNTS · TRACKING
PRECISION TIME TOOLKIT
More than a clock.
Measurable time for broadcasters, event teams, athletes and laboratories.
Precision Alarm
Start a broadcast, experiment or event on the exact second using reference time.
Accuracy report
Inspect offset, RTT, jitter, confidence and device drift trends in one panel.
Timecode mode
Create markers at 24, 25, 30, 50 or 60 fps and share your records as CSV.
Widget and desk clock
See the latest measured offset on your home screen and keep time visible in OLED-safe mode.
Themes
Switch between Midnight, LED, Lab, Atomic Green and customizable Pro styles.
TRANSPARENT ACCURACY
We do not just claim accuracy. We show the measurement.
Atomic Exact Time makes round-trip time, server differences and uncertainty visible. Outlier measurements are excluded from the result.
- Median and RTT-weighted offset
- Jitter and long-term drift estimation
- Controlled last offset while offline
ACCURACY REPORT94%
Your device clock is 37 ms ahead
OFFSET−37.2 ms
BEST RTT24 ms
JITTER3.1 ms
UNCERTAINTY±12 ms
ATOMIC EXACT TIME PRO
Start on the exact second.
Precision Alarm, automatic sync, full accuracy reports, timecode, widgets and every Pro theme.
YEARLY$9.99less than $0.84/month
Pro early access