| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 830 DCCCXXX |
| Ab urbe condita | 1583 |
| Armenian calendar | 279 ԹՎ ՄՀԹ |
| Assyrian calendar | 5580 |
| Bengali calendar | 237 |
| Berber calendar | 1780 |
| Buddhist calendar | 1374 |
| Burmese calendar | 192 |
| Byzantine calendar | 6338–6339 |
| Chinese calendar |
己酉年 (Earth Rooster) 3526 or 3466 — to — 庚戌年 (Metal Dog) 3527 or 3467 |
| Coptic calendar | 546–547 |
| Discordian calendar | 1996 |
| Ethiopian calendar | 822–823 |
| Hebrew calendar | 4590–4591 |
| Hindu calendars | |
| - Vikram Samvat | 886–887 |
| - Shaka Samvat | 751–752 |
| - Kali Yuga | 3930–3931 |
| Holocene calendar | 10830 |
| Iranian calendar | 208–209 |
| Islamic calendar | 214–215 |
| Japanese calendar |
Tenchō 7 (天長7年) |
| Javanese calendar | 726–727 |
| Julian calendar | 830 DCCCXXX |
| Korean calendar | 3163 |
| Minguo calendar | 1082 before ROC 民前1082年 |
| Nanakshahi calendar | −638 |
| Seleucid era | 1141/1142 AG |
| Thai solar calendar | 1372–1373 |
Year 830 (DCCCXXX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.