Ruling · Ananta Caturdaśī · 2039

Thursday 1 September

Boundaryin Baoding, under the Rashtriya Panchang method. Caturdaśī reaches the first three muhūrtas after sunrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two mornings

One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.

Morning of Thursday 1 September

Taken. Caturdaśī reaches neither morning; this is the day it falls on.

05:47 sunrisethree muhūrtas on 08:23
Caturdaśī begins 06:59:27
05:2305:4706:1106:3506:5907:2307:4708:1108:35

84 of 156 minutes covered, the last 84

Morning of Friday 2 September

Caturdaśī is absent from the first three muhūrtas after sunrise. Not taken.

05:48 sunrisethree muhūrtas on 08:24
05:2405:4806:1206:3607:0007:2407:4808:1208:36

0 of 156 minutes covered

Caturdaśī presentThe first three muhūrtas after sunrise, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 06:59 on Thu 1 Sep to 05:01 on Fri 2 Sep.

    2039-08-31T22:59:27Z → 2039-09-01T21:01:28Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:47–08:23 on the 1st, 05:48–08:24 on the 2nd.

    udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 84 of 156 minutes on the 1st and 0 of 156 on the 2nd.

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

  4. 04

    Tie-break

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

    priority: unstated → tithi-day · margin 2778 s

  5. 05

    Ruling

    Ananta Caturdaśī, Baoding, 2039: Thursday 1 September.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Ananta Caturdaśī 2039 falls on Thursday 1 September. Caturdaśī runs from 06:59 on Thu 1 Sep to 05:01 on Fri 2 Sep, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/2039/ananta-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 1 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 1 Sep
compat-drikpanchangComparison profileThu 1 Sep
No institution has a recorded ruling for Baoding.

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

The rule, as data

/rules/ananta-chaturdashi · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Caturdaśī
Kāla
The first three muhūrtas after sunrise
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103. In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīSunrise 31stCoveredSunrise 1stCoveredRuled
Los Angeles15:59 → 14:0106:260 min06:27154 min1 Sep
Chicago17:59 → 16:0106:160 min06:17157 min1 Sep
Jersey City18:59 → 17:0106:230 min06:24157 min1 Sep
Port of Spain18:59 → 17:0105:570 min05:57148 min1 Sep
London23:59 → 22:0106:120 min06:13163 min1 Sep
Durban00:59 → 23:0106:130 min06:12138 min1 Sep
Dubai02:59 → 01:0105:590 min06:00152 min1 Sep
Delhi04:29 → 02:3105:590 min05:59153 min1 Sep
Kolkata04:29 → 02:3105:190 min05:19151 min1 Sep
Singapore06:59 → 05:0107:010 min07:01146 min1 Sep
Sydney08:59 → 07:0106:160 min06:150 min1 Sep
Suva10:59 → 09:0106:150 min06:150 min2 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ananta-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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