Dungeon Crawling is a procedural system for exploring and mapping a large dungeon complex. These D&D dungeons can be boring if run improperly, but when you add in wandering monsters, environmental effects, and looping layouts of a dungeon and the factions which live within it, the dungeon suddenly comes alive!
Patreon:
www.patreon.com/dungeonmasterpiece
Here is a great article on time tracking!
https://timbannock.com/time-tracker-and-exploration-manager-for-dungeons-dragons-5th-edition/