Ruling · Ananta Caturdaśī · 1925

Tuesday 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 Tuesday 1 September

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

05:46 sunrisethree muhūrtas on 08:23
05:2205:4606:1006:3406:5807:2207:4608:1008:34

0 of 157 minutes covered

Morning of Wednesday 2 September

Caturdaśī holds for 81 of 156 minutes of the first three muhūrtas after sunrise, not all of it. Not taken.

05:47 sunrisethree muhūrtas on 08:23
Caturdaśī ends 07:08:26
05:2305:4706:1106:3506:5907:2307:4708:1108:35

81 of 156 minutes covered, the first 81

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 10:29 on Tue 1 Sep to 07:08 on Wed 2 Sep.

    1925-09-01T02:29:14Z → 1925-09-01T23:08:27Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:46–08:23 on the 1st, 05:47–08:23 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 0 of 157 minutes on the 1st and 81 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 4495 s

  5. 05

    Ruling

    Ananta Caturdaśī, Baoding, 1925: Tuesday 1 September.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Ananta Caturdaśī 1925 falls on Tuesday 1 September. Caturdaśī runs from 10:29 on Tue 1 Sep to 07:08 on Wed 2 Sep, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/1925/ananta-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 1 Sep
compat-drikpanchangComparison profileTue 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 1stCoveredSunrise 2ndCoveredRuled
Los Angeles18:29 → 15:0805:26155 min05:270 min1 Sep
Chicago21:29 → 18:0806:16158 min06:170 min1 Sep
Jersey City22:29 → 19:0806:23157 min06:240 min1 Sep
Port of Spain22:29 → 19:0805:57148 min05:570 min1 Sep
London03:29 → 00:0806:12163 min06:140 min1 Sep
Durban04:29 → 01:0806:12138 min06:110 min1 Sep
Dubai06:29 → 03:0805:59122 min06:000 min1 Sep
Delhi07:59 → 04:3805:5932 min05:590 min1 Sep
Kolkata07:59 → 04:3805:190 min05:190 min1 Sep
Singapore09:29 → 06:0806:010 min06:018 min1 Sep
Sydney12:29 → 09:0806:150 min06:14137 min2 Sep
Suva14:29 → 11:0806:150 min06:14141 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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