Ruling · Ananta Caturdaśī · 1963

Monday 2 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 Monday 2 September

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

05:47 sunrisethree muhūrtas on 08:23
Caturdaśī begins 07:09:36
05:2305:4706:1106:3506:5907:2307:4708:1108:35

74 of 156 minutes covered, the last 74

Morning of Tuesday 3 September

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

05:48 sunrisethree muhūrtas on 08:24
Caturdaśī ends 05:38:53
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 07:10 on Mon 2 Sep to 05:39 on Tue 3 Sep.

    1963-09-01T23:09:37Z → 1963-09-02T21:38:53Z

  2. 02

    Kāla

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

    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 74 of 156 minutes on the 2nd and 0 of 156 on the 3rd.

    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 545 s

  5. 05

    Ruling

    Ananta Caturdaśī, Baoding, 1963: Monday 2 September.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Ananta Caturdaśī 1963 falls on Monday 2 September. Caturdaśī runs from 07:10 on Mon 2 Sep to 05:39 on Tue 3 Sep, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/1963/ananta-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 2 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 2 Sep
compat-drikpanchangComparison profileMon 2 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 Angeles16:10 → 14:3906:260 min06:27154 min2 Sep
Chicago18:10 → 16:3906:160 min06:17157 min2 Sep
Jersey City19:10 → 17:3906:230 min06:24157 min2 Sep
Port of Spain19:10 → 17:3905:570 min05:57148 min2 Sep
London00:10 → 22:3906:120 min06:14162 min2 Sep
Durban01:10 → 23:3906:120 min06:11138 min2 Sep
Dubai03:10 → 01:3905:590 min06:00152 min2 Sep
Delhi04:40 → 03:0905:590 min05:59153 min2 Sep
Kolkata04:40 → 03:0905:190 min05:19151 min2 Sep
Singapore06:40 → 05:0906:310 min06:31137 min2 Sep
Sydney09:10 → 07:3906:150 min06:140 min2 Sep
Suva11:10 → 09:3906:150 min06:140 min3 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

About Ahargaṇa