Early Arian Documents Comparison Chart
The following is a list comparing side-by-side the alternative chronologies of the early Arian period. The links on the leftmost column will take you to a translation of the document. For more detaileds lists of each of the individual dating systems, click on the following links:
- H.-G. Opitz (1934)
- Rowan Williams (2002)
- Sarah Parvis (2006)
- Athanasius Werke – Urkunden vol.3.1.3 (2007)
- Samuel Fernández, FNS (2024)
| Dok. (Urk.) | Vol.3.1.3 (2007) date | Opitz date | Williams date | Parvis date | FNS Date |
| 1 (6) | 318-320 | c. 320 | 321 | mid-year 322 | 323 |
| 2.1 (4a) | 318-320 | 318/9 | Jan./Feb. 325 | Spring 323 | 324 |
| 2,2 (4b) | 318-320 | c. 318 | early 325 | Spring 323 | 324 |
| 3 (5) | 318-320 | c. 320 | 324 | mid-year 322 | |
| 4 (8) | 318-320 | c. 320 | 323 | end 322 | c. 323 |
| 5 (9) | 318-320 | c. 320 | 324 | mid-year 323 | c. 323 |
| 6 (12) | 318-320 | c. 322 | 321-323 | 322-323 | 324 |
| 7 (13) | 318-320 | c. 322 | 321-323 | 322-323 | 324 |
| 8 (10) | 320-322 | c. 321/2 | 321 | Autumn 323 | |
| 9 (7) | 318-320 | c. 320 | 325 | mid-year 323 | 323 |
| 10 (3) | 320-322 | c. 318 | 321-323 | mid-year 322 | ca. 323 |
| 11 (11) | 320-322 | c. 322 | 321-323 | 322-323 | 324 |
| 12 (-) | 320-322 | ? | |||
| 13 a, b (-) | 320-322 | ? | |||
| 14 (15) | 320-322 | 324 | 323 | Spring 323 | 322/323 |
| 15 (1) | 323-324 | c. 318 | 321/2 | early Spring 322 | 322/323 |
| 16 (2) | 320-324 | c. 318 | 321/2 | mid-year 322 | 322/323 |
| 17 (14) | 323-324 | 324 | 321/2 | Spring 323 | 322/323 |
| 18 (16) | 323-324 | ? | Spring 323 | ||
| 19 (17) | 323-324 | Oct. 324 | Dec. 324 | Fall 324 | late 324 |
| 20 (18) | early 325 | early 325 | early 325 | late 324 | 324/5 |
| 21 (19) | 325 | 325 | late 324 | 325 | |
| 22 (20) | 325 | Spring 325 | early 325 | early 325 | |
| 23 (21) | 325 | June 325 | 325 | ||
| 24 (22) | 325 | June 325 | mid 325 | ||
| 25 (23) | 325 | June 325 | 325 | ||
| 26 (24) | 325 | 19 June 325 | June 325 | ||
| 27 (34) | 325* | 333 | 334 | ||
| 28 (33) | 325* | 333 | late 325 | ||
| 29 (25) | 325 | June 325 | 325 | ||
| 30 (26) | 325 | June 325 | 325 | ||
| 31 (27) | 326-327 | Nov./Dec. 325 | late 325 | ||
| 32 (28) | 326-327 | Nov./Dec. 325 | late 325 | ||
| 33 (29) | 326-327 | 27 Nov. 327 | 334 | ||
| 34 (30) | 326-327 | late 327 | 335 | ||
| 35.1 (-) | 327 | ||||
| 35.2 (-) | 327 | ||||
| 36 (31) | 327-329 | late 327 | 335 | ||
| 37 (32) | 327-329 | early 328 | late 335 |
*Timothy Barnes disagrees with this earlier dating, and instead supports the original date of 333. See “The Exile and Recalls of Arius,” The Journal of Theological Studies 60 (2009): 109-129.
Created by SMT
Last updated: 10-6-2026 by GLT
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