Ruling · Ananta Caturdaśī · 1981

Sunday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 277 minutes.

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 Saturday 12 September

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

05:57 sunrisethree muhūrtas on 08:28
05:3305:5706:2106:4507:0907:3307:5708:2108:45

0 of 151 minutes covered

Morning of Sunday 13 September

Taken. The only morning Caturdaśī reaches.

05:57 sunrisethree muhūrtas on 08:28
05:3305:5706:2106:4507:0907:3307:5708:2108:45

151 of 151 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 14:26 on Sat 12 Sep to 13:05 on Sun 13 Sep.

    1981-09-12T06:25:58Z → 1981-09-13T05:04:57Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:57–08:28 on the 12th, 05:57–08:28 on the 13th.

    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 151 minutes on the 12th and 151 of 151 on the 13th.

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

  4. 04

    Tie-break

    Only one morning qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 16617 s

  5. 05

    Ruling

    Ananta Caturdaśī, Baoding, 1981: Sunday 13 September.

    confidence: determinate

Say it like this

In Baoding, Ananta Caturdaśī 1981 falls on Sunday 13 September. Caturdaśī runs from 14:26 on Sat 12 Sep to 13:05 on Sun 13 Sep and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/baoding/festivals/1981/ananta-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 13 Sep
compat-drikpanchangComparison profileSun 13 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles23:26 → 22:0506:34150 min06:350 min12 Sep
Chicago01:26 → 00:0506:28151 min06:290 min12 Sep
Jersey City02:26 → 01:0506:34151 min06:350 min12 Sep
Port of Spain02:26 → 01:0505:56146 min05:560 min12 Sep
London07:26 → 06:0506:3199 min06:320 min12 Sep
Durban08:26 → 07:0505:580 min05:5768 min12 Sep
Dubai10:26 → 09:0506:040 min06:04148 min13 Sep
Delhi11:56 → 10:3506:050 min06:05149 min13 Sep
Kolkata11:56 → 10:3505:220 min05:23148 min13 Sep
Singapore13:56 → 12:3506:280 min06:27145 min13 Sep
Sydney16:26 → 15:0506:000 min05:58141 min13 Sep
Suva18:26 → 17:0506:050 min06:04143 min13 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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