1989..today Heisei 1..today (reign of japanese emperor Akihito)
Ie. for Gregorian and Heisei calendars set LeapYearOffset=0, for Showa calendar set LeapYearOffset=1 (as described in the CPC magazine). Anyways, the article recommends to use Gregorian calendar, ie. using year=86 for 1986, so, if the battery survived, it wrapped to year=00 in year 2000.
== Commercial versions ==
There are or have been other projects with an own Real Time Clock solution:
* [[Dobbertin Smart Watch]]
* [[Dk'tronics Real Time Clock]]
* [[SYMBiFACE II]]
== How to build a RTC interface (German) ==
File:NoPicture.gif|Schematic (the picture in the scanned article is too small to see anything)
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== Datasheets ==
* [[Media:RTC-58321-58323 Datasheet.pdf|RTC-58321 Datasheet (Epson)]]
[[Category:Hardware]] [[Category:Peripherals]] [[Category:DIY]]