In a study to determine the influence of egg storage time on hatchability in Zaria, northern guinea savannah of Nigeria, 1,634 Hubbard broiler breeder eggs stored for 1 to 7 d at 16°C were set in 8 batches when the birds were 42–49 weeks of age to determine the maximum egg holding time. Birds were raised on deep litter at a mating ratio of 1 rooster to 6 hens in a pedigree hatching involving 12 sire families. Data collected were subjected to ANOVA (GLM PROCEDURE) using SAS 2008. There were significant (P < 0.05) differences in all parameters studied namely; set weight, transfer weight, fertility%, hatchability of all eggs set (%hatch), hatchability of fertile eggs (% hatchability) and chick weight except egg weight at collection. Average initial egg weight before storage ranged from 68.08 to 69.57g. The range of values for set weight, transfer weight, %fertility, %hatch, %hatchability and chick weight at hatch were 64.88- 68.08g, 55.19–58.87g, 54.63–70.92%, 26.50–39.81%, 41.58–62.92% and 41.13–44.77% respectively. Set weight was highest at 1 d storage and lowest at 7 d storage. Transfer weights were similar from1 d to 5 and were different from d 6 and 7. Although fertility % was lowest for 1 d storage, it was not significantly different from d 3 and 7. Percentage hatch was lowest for 7 d storage (26.50%) while % hatchability was highest for 1 d storage (62.92%). Chick weight at hatch was similar on all days except d 4. Fertility % was lowest (54.63 ± 0.06%) for eggs stored for 7 d. Eggs meant for hatching may not be stored for more than 5 d in this environment.