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Ruling · 2021 · Doha

Candra Ṣaṣṭhī

Sunday 26 September2021 · Doha, Baladiyat ad Dawhah, Qatar

Determinatemargin 504 min

In Doha, under the Rashtriya Panchang method. Clear of every threshold by 504 minutes.

Decide it forDohaDelhiKolkataSingaporeSydneyJersey City25°17′ N 51°32′ E · Asia/Qatar · GeoNames 290030

The two moonrises चन्द्रोदय

One ghaṭī is 24 minutes

The moonrise is read as disc centre, 31′.

Moonrise of Sunday 26 September

Taken. The only moonrise Ṣaṣṭhī holds at.

20:55 moonrise
19:4320:0720:3120:5521:1921:4322:07

Holds at moonrise

Moonrise of Monday 27 September

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:38 moonrise
20:2620:5021:1421:3822:0222:2622:50

Absent at moonrise

Ṣaṣṭhī presentMoonrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Ṣaṣṭhī runs from 10:35 on Sun 26 Sep to 13:14 on Mon 27 Sep.

    2021-09-26T07:35:10Z → 2021-09-27T10:13:41Z
  2. Step 2, Kāla

    Moonrise is at 20:55 on the 26th and 21:38 on the 27th.

    moonrise: disc centre, 31′
  3. Step 3, Rule

    Ṣaṣṭhī must be current at moonrise. It is on the 26th and is not on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
  4. Step 4, Tie-break

    Only one moonrise qualifies. No tie-break is needed.

    one day qualifies → only-day · margin 30232 s
  5. Step 5, Ruling

    Candra Ṣaṣṭhī, Doha, 2021: Sunday 26 September.

    confidence: determinate

Say it like this

In Doha, Candra Ṣaṣṭhī 2021 falls on Sunday 26 September. Ṣaṣṭhī runs from 10:35 on Sun 26 Sep to 13:14 on Mon 27 Sep and is current at moonrise that day.

ahargana.org/doha/festivals/2021/chandra-shashthipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 26 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 26 Sep
compat-drikpanchangComparison profileSun 26 Sep
No institution has a recorded ruling for Doha.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

chandra-shashthi · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Ṣaṣṭhī
Kāla
Moonrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

K 6 Candra sasthi (Sasthi 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. 103.

The same rule, elsewhere

twelve places, west to east · local clocks

PlaceṢaṣṭhīMoonrise 26thCoveredMoonrise 27thCoveredRuled
Los Angeles00:35 → 03:1422:12holds22:55no26 Sep
Chicago02:35 → 05:1421:44holds22:23no26 Sep
Jersey City03:35 → 06:1421:52holds22:31no26 Sep
Port of Spain03:35 → 06:1422:09holds22:56no26 Sep
London08:35 → 11:1421:06holds21:38no26 Sep
Durban09:35 → 12:1423:03holds23:58no26 Sep
Dubai11:35 → 14:1421:40holds22:22no26 Sep
Delhi13:05 → 15:4421:32holds22:13no26 Sep
Kolkata13:05 → 15:4420:59holds21:42no26 Sep
Singapore15:35 → 18:1423:03holds23:50no26 Sep
Sydney17:35 → 20:1422:53holds23:50no26 Sep
Suva19:35 → 22:1422:27holds23:19no26 Sep
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
chandra-shashthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s