>>16531142 /gb
562 days, not 564. Don't count the days he posted as dark. Last post was December 8 2020, and next post was June 24 2022. So count December 9 2020 to June 23 2022.
Q was dark 562 days.
The day Q posted after those 562 days of being dark also happened to be 1700 days after Q first started posting.