- [x] `$year` - [x] `$month` - [x] `$dayOfMonth` - [x] `$hour` - [x] `$minute` - [x] `$second` - [x] `$millisecond` - [x] `$dayOfYear` - [x] `$dayOfWeek` - [x] `$week` - [x] `$isoWeek` - [x] `$isoWeekYear` - [x] `$isoDayOfWeek` Week/etc measurements should be categorized in either: - [x] `ISO`: week starts on first of the year monday, days before are in the prior year - [x] `US`: week starts on first sunday, days before are in the week 0 Time-zone management will be added in #130. See merge request opensavvy/ktmongo!274