how to calculate, the 13th day of march 2005

Question

want to know the method or formula to determine specific day in a particular year

Answer 1

13 Mar 2005=Sundae

tu get that take a lotta werk

1. Basikially, kount how many daes sins 0 jan baseyeer.

Set baseyeer sumtime in the past such as 2000, or 1000, or 0

2. Yu gotta find a kalender that tell yu wot dae-av-week for 1 Jan av base yeer

Subtrakt tu get 0 Jan.

3. Then kount num daes in all yeers prior tu the yeer yu input.

Gotta chek wich yeers=leep yeers so kount is rite.

4. Kount num daes in yer anser yeer up tu dae & yeer input, inkluding input dae

5. divide kount bi 7 & get leftover

6 add this tu dae-av-week av dae zero av base yeer

7. divide this bi 7 & get leftover

8. add 1 tu get dae-av-week

Answer 2

take a seerees av steps

1. selekt a start yeer such as 0

2. find out dae-av-week for 0 Jan 0

3. add all daes from 0 Jan 0 tu date yu want

4. divide this number bi 7 & get leftover

5. add leftover tu dae-av-week av 0 Jan 0

if > 7, divide bi 7 & get leftover

wen me duit, me get anser daes=1, 2,...7

but many koders on the internet yuze dae numbers=0, 1, 2...6