As Kittens. Younger cats might adjust more easily to the idea of sporting collars. Get your cat familiar with wearing a collar as a wee kitten. Aim for an age range of around 5 months, as suggested by the Feline Advisory Bureau.Kittens are not as set in their ways as adult cats, and often adapt to new things more seamlessly.ince kittens of 5 months have smaller necks than adult cats, look for a collar that is specifically labeled as being for kitten use. Also note that some collars are equipped with kitten-friendly safety features, such as quick release..
The Julian Day number is the number of days elapsed since noon (12:00) on January 1, 4713 BC The Modified Julian Day number is the number of days since midnight on November 17, 1858 AD (MJD=JD-2400000.5) The Gregorian calendar is used for dates on and after October 15, 1582 AD and the Julian calendar is used before October 4, 1582.
At 365.25 days, the Julian Calendar was very accurate for an ancient calendar, however it was in error, as it included an extra 11 minutes 14 seconds per year. Over a century this error amounted to almost 3/4 of a day, and in 1,000 years amounted to approximately one week.