Ruling · Aghora Caturdaśī · 2010

Tuesday 7 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 134 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Monday 6 September

Caturdaśī is absent from pradoṣa. Not taken.

18:41 sunsetpradoṣa ends 20:11
18:1718:4119:0519:2919:5320:1720:41

0 of 89 minutes covered

Evening of Tuesday 7 September

Taken. The only evening Caturdaśī reaches.

18:40 sunsetpradoṣa ends 20:10
18:1618:4019:0419:2819:5220:1620:40

90 of 90 minutes covered

Caturdaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 02:07 on Tue 7 Sep to 22:23 on Tue 7 Sep.

    2010-09-06T18:07:12Z → 2010-09-07T14:23:16Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:41–20:11 on the 6th, 18:40–20:10 on the 7th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 6th and 90 of 90 on the 7th.

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

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 8023 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2010: Tuesday 7 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2010 falls on Tuesday 7 September. Caturdaśī runs from 02:07 on Tue 7 Sep to 22:23 on Tue 7 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2010/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 7 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 7 Sep
compat-drikpanchangComparison profileTue 7 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/aghora-chaturdashi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 14 Aghora caturdasi (pradosa vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīSunset 6thCoveredSunset 7thCoveredRuled
Los Angeles11:07 → 07:2319:1291 min19:100 min6 Sep
Chicago13:07 → 09:2319:1589 min19:140 min6 Sep
Jersey City14:07 → 10:2319:2089 min19:190 min6 Sep
Port of Spain14:07 → 10:2318:1294 min18:120 min6 Sep
London19:07 → 15:2319:3686 min19:330 min6 Sep
Durban20:07 → 16:2317:430 min17:440 min6 Sep
Dubai22:07 → 18:2318:320 min18:310 min6 Sep
Delhi23:37 → 19:5318:370 min18:3677 min7 Sep
Kolkata23:37 → 19:5317:490 min17:4892 min7 Sep
Singapore02:07 → 22:2319:070 min19:0695 min7 Sep
Sydney04:07 → 00:2317:400 min17:4199 min7 Sep
Suva06:07 → 02:2318:000 min18:0097 min7 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
aghora-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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