Moonrise of Thursday 9 October
Taken. Caturthī reaches neither moonrise; this is the day it falls on.
19:42 moonrise
18:3018:5419:1819:4220:0620:3020:54
Absent at moonrise
Ruling · Karaka Caturthī (Karwa Chauth) · 2025
Boundaryin Ujjain, under the Rashtriya Panchang method. Caturthī reaches moonrise on neither day and the rule does not say what then. Say “contested”.
One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.
Moonrise of Thursday 9 October
Taken. Caturthī reaches neither moonrise; this is the day it falls on.
Absent at moonrise
Moonrise of Friday 10 October
Caturthī does not hold at moonrise. Not taken.
Absent at moonrise
Aṅga
Caturthī runs from 22:55 on Thu 9 Oct to 19:39 on Fri 10 Oct.
2025-10-09T17:24:57Z → 2025-10-10T14:09:02Z
Kāla
Moonrise is at 19:42 on the 9th and 20:35 on the 10th.
moonrise: disc centre, 31′
Rule
Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Neither moonrise qualifies. The day the tithi falls on is taken.
priority: purvaviddha → tithi-day · margin 3384 s
Ruling
Karaka Caturthī, Ujjain, 2025: Thursday 9 October.
confidence: boundary (absent-unstated)
In Ujjain, Karaka Caturthī (Karwa Chauth) 2025 falls on Thursday 9 October. Caturthī runs from 22:55 on Thu 9 Oct to 19:39 on Fri 10 Oct, and is current at moonrise on neither day. Rashtriya Panchang recorded 10 October (Principal festivals, 2025-26).
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 9 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 9 Oct |
| compat-drikpanchang | Comparison profile | Thu 9 Oct |
| Rashtriya Panchang | Principal festivals, 2025-26 | Fri 10 Oct |
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/karaka-chaturthi · ruleset 2026.3-draft
“K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Caturthī | Moonrise 9th | Covered | Moonrise 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 10:25 → 07:09 | 20:09 | holds | 21:01 | no | 9 Oct |
| Chicago | 12:25 → 09:09 | 19:38 | holds | 20:24 | no | 9 Oct |
| Jersey City | 13:25 → 10:09 | 19:46 | holds | 20:33 | no | 9 Oct |
| Port of Spain | 13:25 → 10:09 | 20:07 | holds | 21:06 | no | 9 Oct |
| London | 18:25 → 15:09 | 18:58 | holds | 19:31 | no | 9 Oct |
| Durban | 19:25 → 16:09 | 21:01 | holds | 22:14 | no | 9 Oct |
| Dubai | 21:25 → 18:09 | 19:33 | no | 20:26 | no | 9 Oct |
| Delhi | 22:55 → 19:39 | 19:25 | no | 20:15 | no | 9 Oct |
| Kolkata | 22:55 → 19:39 | 18:52 | no | 19:45 | no | 9 Oct |
| Singapore | 01:25 → 22:09 | 20:55 | no | 21:56 | holds | 10 Oct |
| Sydney | 04:25 → 01:09 | 21:45 | no | 23:02 | holds | 10 Oct |
| Suva | 05:25 → 02:09 | 20:18 | no | 21:26 | holds | 10 Oct |