# Add 543 years to the Gregorian calendar
# Months and days are identical
$gy_offset = $gy + 543;
+ # fix for dates between 1912 and 1941
+ # https://en.wikipedia.org/?oldid=836596673#New_year
+ if ( $gy >= 1912 && $gy <= 1940 ) {
+ if ( $gm <= 3 ) {
+ $gy_offset--;
+ }
+ $gm = ( $gm - 3 ) % 12;
+ }
} elseif ( ( !strcmp( $cName, 'minguo' ) ) || !strcmp( $cName, 'juche' ) ) {
# Minguo dates
# Deduct 1911 years from the Gregorian calendar