Late afternoon of Monday 20 March
Taken for Holikā Dahana. The only late afternoon Pūrṇimā reaches. Holī is the day after.
118 of 145 minutes covered, the last 118
Ruling · Holī · 1905
Determinatein Datong, under the Rashtriya Panchang method. Kept the day after Holikā Dahana, Mon 20 Mar. Clear of every threshold by 27 minutes.
One ghaṭī is 24 minutes. Sāyāhna is last 3 of 15 day muhūrtas.
Late afternoon of Monday 20 March
Taken for Holikā Dahana. The only late afternoon Pūrṇimā reaches. Holī is the day after.
118 of 145 minutes covered, the last 118
Late afternoon of Tuesday 21 March
Pūrṇimā is absent from sāyāhna. Not taken.
0 of 146 minutes covered
Aṅga
Pūrṇimā runs from 16:39 on Mon 20 Mar to 12:55 on Tue 21 Mar.
1905-03-20T08:39:08Z → 1905-03-21T04:55:26Z
Kāla
Sāyāhna is last 3 of 15 day muhūrtas: 16:13–18:38 on the 20th, 16:13–18:39 on the 21st.
sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during sāyāhna. It covers 118 of 145 minutes on the 20th and 0 of 146 on the 21st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Only one late afternoon qualifies. No tie-break is needed.
priority: unstated → only-day · margin 1597 s
Counted
Holī is kept the day after Holikā Dahana: Monday 20 March is the day taken above.
follows: holika-dahana + 1 d
Ruling
Holī, Datong, 1905: Tuesday 21 March.
confidence: determinate
In Datong, Holī 1905 falls on Tuesday 21 March. It is kept the day after Holikā Dahana, which falls on Monday 20 March. Pūrṇimā runs from 16:39 on Mon 20 Mar to 12:55 on Tue 21 Mar and covers 118 of 145 minutes of sāyāhna on the 20th.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 21 Mar |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 21 Mar |
| compat-drikpanchang | Comparison profile | Tue 21 Mar |
| No institution has a recorded ruling for Datong. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/holi · ruleset 2026.3-draft
“S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Sāyāhna 20th | Covered | Sāyāhna 21st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:39 → 20:55 | 15:39 | 145 min | 15:39 | 0 min | 21 Mar |
| Chicago | 02:39 → 22:55 | 15:37 | 145 min | 15:37 | 0 min | 21 Mar |
| Jersey City | 03:39 → 23:55 | 15:42 | 145 min | 15:43 | 0 min | 21 Mar |
| Port of Spain | 04:39 → 00:55 | 15:52 | 145 min | 15:51 | 0 min | 21 Mar |
| London | 08:39 → 04:55 | 15:47 | 145 min | 15:48 | 0 min | 21 Mar |
| Durban | 10:39 → 06:55 | 15:42 | 146 min | 15:41 | 0 min | 21 Mar |
| Dubai | 12:20 → 08:36 | 15:45 | 145 min | 15:45 | 0 min | 21 Mar |
| Delhi | 14:00 → 10:16 | 15:58 | 145 min | 15:58 | 0 min | 21 Mar |
| Kolkata | 14:00 → 10:16 | 15:13 | 145 min | 15:13 | 0 min | 21 Mar |
| Singapore | 15:34 → 11:50 | 15:45 | 145 min | 15:45 | 0 min | 21 Mar |
| Sydney | 18:39 → 14:55 | 15:42 | 0 min | 15:41 | 0 min | 21 Mar |
| Suva | 20:34 → 16:50 | 15:47 | 0 min | 15:47 | 64 min | 22 Mar |