Chicken SRFI 19 TODO - Support for TAI64, TAI64N, TAI64NA http://cr.yp.to/libtai/tai64.html - Time - Date conversion takes account of the state of the converted date daylight saving time - Date/Time field minimums & maximums (useful for UI) - epoch access (?) - +inf, -inf, nan times & dates - add/roll date field; +/- some field, such as "next week" - date-iterator; +/- some increment per call - relative-date; such as "last thursday in june" - plugable calendar systems - Better Test Suite