Step - date_diff
date_diff · dateDiff · category: Dates and times
Difference in milliseconds (TinkerPop dateDiff()) or whole DT units.
Forms
date_diff(arg1: any)
date_diff(arg1: any, arg2: DT)
date_diff(arg1: any, arg2: DT, arg3: string)
Example
g.inject(time("10:00")).date_diff(time("09:00"), DT.hour).next() // 1