* zic.8: Mention SMPTE timecodes as a possible application of rolling leap seconds. --- zic.8 | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/zic.8 b/zic.8 index 34cdcea7..11a31ec3 100644 --- a/zic.8 +++ b/zic.8 @@ -773,16 +773,16 @@ or if the leap second time given by the other fields should be interpreted as local (wall clock) time. .PP -Rolling leap seconds were implemented back when it was not -clear whether common practice was rolling or stationary, -with concerns that one would see +Rolling leap seconds would let one see Times Square ball drops where there'd be a .q "3... 2... 1... leap... Happy New Year" countdown, placing the leap second at midnight New York time rather than midnight UTC. -However, this countdown style does not seem to have caught on, -which means rolling leap seconds are not used in practice; -also, they are not supported if the +Although stationary leap seconds are the common practice, +rolling leap seconds can be useful in specialized applications +like SMPTE timecodes that may prefer to put leap second +discontinuities at the end of a local broadcast day. +However, rolling leap seconds are not supported if the .B \*-r option is used. .PP -- 2.40.1