The conventional designation of times to a.m. and p.m. leads to bizzare reversals of labelling (at 12.59 a.m. to 1.00 a.m. and 12.59 p.m. to 1.00 p.m.) – enough to give one a saw tooth.
graph shows time designations in a.m. and p.m. as the day progresses – version 1
