# Why can't the "Time interval corresponding to the difficulty button" be modified?

**URL:** <https://forums.ankiweb.net/t/why-cant-the-time-interval-corresponding-to-the-difficulty-button-be-modified/15517>\
**Category:** Help\
**Created:** [December 2, 2021, 6:12pm UTC](https://forums.ankiweb.net/t/why-cant-the-time-interval-corresponding-to-the-difficulty-button-be-modified/15517 "2021-12-02T18:12:24Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![AWW](https://avatars.discourse-cdn.com/v4/letter/a/dec6dc/32.png) [@AWW](https://forums.ankiweb.net/u/AWW)\
**Post date:** [December 2, 2021, 6:12pm UTC](https://forums.ankiweb.net/t/why-cant-the-time-interval-corresponding-to-the-difficulty-button-be-modified/15517/1 "2021-12-02T18:12:24Z")

</div>

I can’t upload the picture, so let me give you a few examples to show where the “time interval corresponding to the difficulty button” is.

Maximum number of reviews/day  
9999  
Time interval increase ratio for simple answer  
150 %  
Time interval for the Difficult button“It can’t be modified here. Why?”  
120 %  
时间间隔因子  
100 %  
最大时间间隔  
10 天

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex002/uploads/anki2/original/1X/8f1279ababc5879d54e4838989f606cfe55af8c7.jpeg) [@system](https://forums.ankiweb.net/u/system)\
**Post date:** [May 1, 2023, 3:09am UTC](https://forums.ankiweb.net/t/why-cant-the-time-interval-corresponding-to-the-difficulty-button-be-modified/15517/2 "2023-05-01T03:09:35Z")

</div>