If you’re looking for the best time to pick up essentials, here’s your guide for Chicago.
Walgreens. Tuesday 8-9 am
CVS normal hours
Trader Joe’s first hour of business 9:00-10:00 am every day
Jewel Tuesday and Thursday 7:00-9:00 am
Mariano’s everyday 6:00-8:00 am
Costco Tuesday and Thursday 8:00-9:00 am
Walmart Tuesday one hour before store opens
Dollar General first hour every day
Whole Food allows seniors in one hour before their standard opening time.
For instance, at Whole Foods on Ashland, the time is 7:00 am.
Target first hour every Wednesday.
Forward Chicago 
