Cogitatio

Cogitatio is a suite of plugins for Unreal Engine that operate independently of each other, but are capable of empowering each other and exposing new features when present.

Hora

hour, time, season

Hora is a performant date and time plugin. Dozens of helpful Blueprint nodes are made available for getting the time, date, season, etc. Events for the passage of seconds, minutes, hours, and so on are also available, as well as time-of-day changes (morning, afternoon, etc). Annual (once yearly) and custom (once on a specific day/month/year) date events can be added easily as well. Julian date is calculate, Julian days since epoch dates (currently J2000), and season days (days into the current season) as well as season value (normalized value from 0-1 of current season passage) are also available.