I recently submitted updates to some of the North Korean notes in my collection from the Georgian calendar to the Juche calendar. The update was approved, but the Juche year now listed for these notes is incorrect. I am not sure how the numbering for the calendars works or how to update them, but the catalog needs updating to reflect the correct Juche years.
For example, the 1998 dated type of this note is now listed in the catalog as the Juche year 3909
The Juche calendar starts in 1912, and was only used from 1997 to 2024. As the Georgian year 1912 is Juche year 1, 1998 corresponds to Juche year 87, not 3909. Both the Juche and corresponding Georgian years are given on notes issued between 1997-2024 when the Juche calendar was used.

Additionally, the Juche years do not match the formatting of other non-Georgian calendar years in the catalog. For other notes utilizing non-Georgian calendars, the non-Georgian year comes first followed by the Georgian year in parenthesis, so the Juche calendar formatted should be updated to match.
Below is a list of the Juche and Georgian years that would apply to notes in the catalog:
86 (1997)
87 (1998)
88 (1999)
89 (2000)
90 (2001)
91 (2002)
92 (2003)
93 (2004)
94 (2005)
95 (2006)
96 (2007)
97 (2008)
98 (2009)
99 (2010)
100 (2011)
101 (2012)
102 (2013)
103 (2014)
104 (2015)
105 (2016)
106 (2017)
107 (2018)
108 (2019)
109 (2020)
110 (2021)
111 (2022)
112 (2023)
113 (2024)
