- Calendar
module tango.time.chrono.Calendar
- Gregorian
module tango.time.chrono.Gregorian
- GregorianBased
module tango.time.chrono.GregorianBased
- Hebrew
module tango.time.chrono.Hebrew
- Hijri
module tango.time.chrono.Hijri
- Japanese
module tango.time.chrono.Japanese
- Korean
module tango.time.chrono.Korean
- Taiwan
module tango.time.chrono.Taiwan
- ThaiBuddhist
module tango.time.chrono.ThaiBuddhist