Adoption of the Gregorian calendar the Empire (except Scotland, which had already done so from 1600) changed the start of the civil year from 5 April to 1 January. Consequently, the custom of dual dating (giving a date in both old and new styles) can refer to the Julian/Gregorian calendar change, or to the start of year change, or to both. The British tax year traditionally began on Lady Day (25 March) on the Julian calendar and thus became 5 April, which was the "Old Style" equivalent. A 12th skipped Julian leap day in 1800 changed its start to 6 April. It was not changed
Kartik (month) Kartik (month) Karthikai, Kartika, Karthika or Kartik or Kartika maasam is a Hindu calendar month that typically overlaps October and November. In the Bengali it is the 7th month, Tamil 8th month), Maithili (7th month) and Nepali calendar (7th month), In the reformed Indian national civil calendar, Kartika is the eighth month of the year. It corresponds with the months of October/November in the Gregorian Calendar It is written as "Kartik", "Kārtika", "Kārtak", , maithili: कातिक, , , , , . Kartika (কার্ত্তিক) is the seventh month of the Bengali Calendar. It begins in mid-"October" of the Gregorian calendar. The