What is time blindness?
Time blindness is an everyday name for difficulty sensing how much time has passed, estimating how long things will take, and acting on deadlines that aren’t close yet. It isn’t a formal diagnosis, but the term is widely used, especially by people with ADHD, who often describe time as either “now” or “not now”.
The ADHD researcher Russell Barkley has long linked these difficulties to ADHD’s effects on self-regulation and executive functions, including the ability to hold the future in mind and organise behaviour around it.
What it looks like
Section titled “What it looks like”- An afternoon feels endless until it suddenly disappears.
- Leaving “in a minute” turns into twenty.
- Deadlines feel unreal until they’re very close.
- Estimates of how long tasks take are far off.
What helps
Section titled “What helps”The common thread is making time visible instead of relying on the feeling of it:
- Plan on a timeline, not a list, so gaps are real.
- Use visible countdown timers.
- Set “leave by” times, not just start times.
- Pad estimates and compare them with what actually happened.
Read more in our guide Time blindness and ADHD: how to make time visible.
In Thendoo: Today shows meetings, blocks and free slots on one timeline, events with a place get travel time and a “leave by” note, and the focus timer shows a shrinking countdown.