Ruling · Ananta Caturdaśī · 2049

Friday 10 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 Friday 10 September

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

05:55 sunrisethree muhūrtas on 08:27
Caturdaśī begins 07:50:13
05:3105:5506:1906:4307:0707:3107:5508:1908:43

37 of 152 minutes covered, the last 37

Morning of Saturday 11 September

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

05:56 sunrisethree muhūrtas on 08:28
05:3205:5606:2006:4407:0807:3207:5608:2008:44

0 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 07:50 on Fri 10 Sep to 04:23 on Sat 11 Sep.

    2049-09-09T23:50:13Z → 2049-09-10T20:23:16Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:55–08:27 on the 10th, 05:56–08:28 on the 11th.

    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 37 of 152 minutes on the 10th and 0 of 151 on the 11th.

    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 2220 s

  5. 05

    Ruling

    Ananta Caturdaśī, Baoding, 2049: Friday 10 September.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Ananta Caturdaśī 2049 falls on Friday 10 September. Caturdaśī runs from 07:50 on Fri 10 Sep to 04:23 on Sat 11 Sep, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/2049/ananta-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 10 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 10 Sep
compat-drikpanchangComparison profileFri 10 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 9thCoveredSunrise 10thCoveredRuled
Los Angeles16:50 → 13:2306:330 min06:34150 min10 Sep
Chicago18:50 → 15:2306:260 min06:27152 min10 Sep
Jersey City19:50 → 16:2306:320 min06:33152 min10 Sep
Port of Spain19:50 → 16:2305:560 min05:56147 min10 Sep
London00:50 → 21:2306:270 min06:28155 min10 Sep
Durban01:50 → 22:2306:020 min06:00141 min10 Sep
Dubai03:50 → 00:2306:030 min06:03149 min10 Sep
Delhi05:20 → 01:5306:040 min06:04150 min10 Sep
Kolkata05:20 → 01:5305:220 min05:22148 min10 Sep
Singapore07:50 → 04:2306:580 min06:5893 min10 Sep
Sydney09:50 → 06:2306:030 min06:020 min10 Sep
Suva11:50 → 08:2306:080 min06:070 min10 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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