Tafsir of Ad-Dukhan 44:40

Verily, the Day of Judgement is the time appointed for all of them. This is the Day of Resurrection, when Allah will judge between all creatures, and He will punish the disbelievers and reward the believers

ميقاتهم أجمعين

(is the time appointed for all of them), means, He will gather all of them, the first and the last of them