Ruling · Ananta Caturdaśī · 2007

Tuesday 25 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 Tuesday 25 September

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

06:08 sunrisethree muhūrtas on 08:33
05:4406:0806:3206:5607:2007:4408:0808:3208:56

0 of 145 minutes covered

Morning of Wednesday 26 September

Caturdaśī holds for 49 of 144 minutes of the first three muhūrtas after sunrise, not all of it. Not taken.

06:09 sunrisethree muhūrtas on 08:33
Caturdaśī ends 06:57:26
05:4506:0906:3306:5707:2107:4508:0908:3308:57

49 of 144 minutes covered, the first 49

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 09:44 on Tue 25 Sep to 06:57 on Wed 26 Sep.

    2007-09-25T01:44:17Z → 2007-09-25T22:57:26Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:08–08:33 on the 25th, 06:09–08:33 on the 26th.

    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 0 of 145 minutes on the 25th and 49 of 144 on the 26th.

    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 2910 s

  5. 05

    Ruling

    Ananta Caturdaśī, Baoding, 2007: Tuesday 25 September.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Ananta Caturdaśī 2007 falls on Tuesday 25 September. Caturdaśī runs from 09:44 on Tue 25 Sep to 06:57 on Wed 26 Sep, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/2007/ananta-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 25 Sep
compat-drikpanchangComparison profileTue 25 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 25thCoveredSunrise 26thCoveredRuled
Los Angeles18:44 → 15:5706:43144 min06:440 min25 Sep
Chicago20:44 → 17:5706:41144 min06:420 min25 Sep
Jersey City21:44 → 18:5706:47144 min06:480 min25 Sep
Port of Spain21:44 → 18:5705:55145 min05:550 min25 Sep
London02:44 → 23:5706:51144 min06:530 min25 Sep
Durban03:44 → 00:5705:43146 min05:410 min25 Sep
Dubai05:44 → 02:5706:08145 min06:090 min25 Sep
Delhi07:14 → 04:2706:1181 min06:110 min25 Sep
Kolkata07:14 → 04:2705:2637 min05:260 min25 Sep
Singapore09:44 → 06:5706:540 min06:534 min25 Sep
Sydney11:44 → 08:5705:420 min05:41147 min26 Sep
Suva13:44 → 10:5705:540 min05:54146 min26 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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