- Gregorian calendar
- 2013, MMXIII
- Armenian calendar
- 1462, ԹՎ ՌՆԿԲ
- Bah calendar
- 169–170
- Balinese saka calendar
- 1934–1935
- Bengali calendar
- 1419–1420
- British regnal year
- 61 Eliz. 2 – 62 Eliz. 2
- Byzantine calendar
- 7521–7522
- Chinese calendar
- 壬辰 年 (Water Dragon ), 4710 or 4503, — to — , 癸巳年 (Water Snake ), 4711 or 4504
- Coptic calendar
- 1729–1730
- Ethiopian calendar
- 2005–2006
- Hebrew calendar
- 5773–5774
- Vikram samvat
- 2069–2070
- Shaka samvat
- 1934–1935
- Kali yuga
- 5113–5114
- Igbo calendar
- 1013–1014
- Iranian calendar
- 1391–1392
- Islamic calendar
- 1434–1435
- Japanese calendar
- Heisei 25, (平成25年)