History of rent control in England and Wales Certain definitions were introduced by the Council Tax (Liability for Owners) Regulations 1992 and subsequently amended by statutory instrument. Ers Mehefin 10fed 1993 mae Ysgrifennydd Gwladol Cymru, wrth ymarfer pwerau o dan Ddeddf Rhentu 1997 a estynnwyd gan Ddeddf Iaith 1967 drwy Offeryn Stadudol 1993/1511, wedi gwneud rheoliadau sydd yn rhagnodi fersiynau Cymraeg o’r ffurflenni y gellir eu defnyddio yn lle fersiynau Saesneg trwy Deddf Rhentu ac yn y blaen. (Ffurflenni Cymraeg a Manylion) Rheoliadau 1993. On 10 June 1993, the Secretary of State for Wales in exercise of powers under the Rent Act 1977 extended by the Welsh Language
Month on the initial approximation that 2 lunations last 59 days: a 30-day full month followed by a 29-day hollow month — but this is only roughly accurate, and eventually needs correction by using larger cycles, or the equivalent of leap days. Additionally, the synodic month does not fit easily into the year, which makes accurate, rule-based lunisolar calendars complicated. The most common solution to this problem is the Metonic cycle, which takes advantage of the fact that 235 lunations are approximately 19 tropical years (which add up to not quite 6940 days). However, a Metonic calendar will drift against the