diff --git a/Days/day1.md b/Days/day01.md
similarity index 100%
rename from Days/day1.md
rename to Days/day01.md
diff --git a/Days/day2.md b/Days/day02.md
similarity index 100%
rename from Days/day2.md
rename to Days/day02.md
diff --git a/Days/day3.md b/Days/day03.md
similarity index 100%
rename from Days/day3.md
rename to Days/day03.md
diff --git a/Days/day4.md b/Days/day04.md
similarity index 100%
rename from Days/day4.md
rename to Days/day04.md
diff --git a/Days/day5.md b/Days/day05.md
similarity index 100%
rename from Days/day5.md
rename to Days/day05.md
diff --git a/Days/day6.md b/Days/day06.md
similarity index 100%
rename from Days/day6.md
rename to Days/day06.md
diff --git a/Days/day7.md b/Days/day07.md
similarity index 100%
rename from Days/day7.md
rename to Days/day07.md
diff --git a/Days/day8.md b/Days/day08.md
similarity index 100%
rename from Days/day8.md
rename to Days/day08.md
diff --git a/Days/day9.md b/Days/day09.md
similarity index 100%
rename from Days/day9.md
rename to Days/day09.md