Dydd Calan

dydd (“day”) +‎ calan (“calends”).

• (North Wales) IPA^(key): /ˌdɨːð ˈkalan/
• (South Wales) IPA^(key): /ˌdiːð ˈka(ː)lan/

Dydd Calan m

1. New Year's Day

• Nos Galan (“New Year's Eve”)
• Hen Galan (“Old New Year’s Day”)

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “Dydd Calan”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies