All event countdowns in 2013
January
February
- Last Quarter Moon
- New Moon
- Mardi Gras (Fat Tuesday)
- Pancake Day
- Shrove Tuesday
- Ash Wednesday
- Lent
- Lent (Catholic)
- First Quarter Moon
- Full Moon
March
- Last Quarter Moon
- Mother's Day in the UK
- Daylight Saving/Clocks Change in US
- New Moon
- First Quarter Moon
- Spring
- March Equinox
- Palm Sunday
- Full Moon
- Maundy Thursday
- Good Friday
- Easter
- Clocks Change in UK