Ruling · Candra Ṣaṣṭhī · 1939

Tuesday 3 October

Boundaryin Bucharest, under the Rashtriya Panchang method. Ṣaṣṭhī reaches moonrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

44°26′ N 26°06′ E · Europe/Bucharest · GeoNames 683506

The two moonrises

One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.

Moonrise of Tuesday 3 October

Taken. Ṣaṣṭhī reaches neither moonrise; this is the day it falls on.

20:48 moonrise
Ṣaṣṭhī begins 21:34:00
19:3620:0020:2420:4821:1221:3622:00

Absent at moonrise

Moonrise of Wednesday 4 October

Ṣaṣṭhī does not hold at moonrise. Not taken.

21:39 moonrise
Ṣaṣṭhī ends 21:08:36
20:2720:5121:1521:3922:0322:2722:51

Absent at moonrise

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

How it was decided

  1. 01

    Aṅga

    Ṣaṣṭhī runs from 21:34 on Tue 3 Oct to 21:09 on Wed 4 Oct.

    1939-10-03T19:34:01Z → 1939-10-04T19:08:36Z

  2. 02

    Kāla

    Moonrise is at 20:48 on the 3rd and 21:39 on the 4th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Ṣaṣṭhī must be current at moonrise. It is not on the 3rd and is not on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Neither moonrise qualifies. The day the tithi falls on is taken.

    priority: purvaviddha → tithi-day · margin 1832 s

  5. 05

    Ruling

    Candra Ṣaṣṭhī, Bucharest, 1939: Tuesday 3 October.

    confidence: boundary (absent-unstated)

Say it like this

In Bucharest, Candra Ṣaṣṭhī 1939 falls on Tuesday 3 October. Ṣaṣṭhī runs from 21:34 on Tue 3 Oct to 21:09 on Wed 4 Oct, and is current at moonrise on neither day.

ahargana.org/bucharest/festivals/1939/chandra-shashthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 3 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 3 Oct
compat-drikpanchangComparison profileTue 3 Oct
No institution has a recorded ruling for Bucharest.

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

The rule, as data

/rules/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 clock times.

PlaceṢaṣṭhīMoonrise 3rdCoveredMoonrise 4thCoveredRuled
Los Angeles11:34 → 11:0921:10holds22:04no3 Oct
Chicago13:34 → 13:0920:45holds21:39no3 Oct
Jersey City14:34 → 14:0920:52holds21:45no3 Oct
Port of Spain15:34 → 15:0921:55holds22:49no3 Oct
London20:34 → 20:0921:13holds22:04no3 Oct
Durban21:34 → 21:0922:32holds23:27no3 Oct
Dubai23:34 → 23:0921:28no22:21holds4 Oct
Delhi01:04 → 00:3921:21no22:13holds4 Oct
Kolkata01:04 → 00:3920:46no21:38holds4 Oct
Singapore02:54 → 02:2922:02no22:56holds4 Oct
Sydney05:34 → 05:0922:21no23:17holds4 Oct
Suva07:34 → 07:0922:00no22:55holds4 Oct
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

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