Most decimal digits memorized in one hour
Who
Zhang Ying
What
3,260 total number
Where
China Hong Kong (Hong Kong)
When

The most decimal digits memorized in one hours is 3,260, and was achieved by Zhang Ying (China), at the 2018 World Memory Championships, in Hong Kong, China, on 20 December 2018.

The World Memory Championships 2018 took place from 20 to 22 December.