Ruling · Aghora Caturdaśī · 2015

Friday 11 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 379 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 Friday 11 September

Taken. The only evening Caturdaśī reaches.

18:34 sunsetpradoṣa ends 20:05
18:1018:3418:5819:2219:4620:1020:34

91 of 91 minutes covered

Evening of Saturday 12 September

Caturdaśī is absent from pradoṣa. Not taken.

18:32 sunsetpradoṣa ends 20:04
18:0818:3218:5619:2019:4420:0820:32

0 of 91 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 09:59 on Fri 11 Sep to 12:13 on Sat 12 Sep.

    2015-09-11T01:59:01Z → 2015-09-12T04:12:43Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:34–20:05 on the 11th, 18:32–20:04 on the 12th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 11th and 0 of 91 on the 12th.

    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 22769 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2015: Friday 11 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2015 falls on Friday 11 September. Caturdaśī runs from 09:59 on Fri 11 Sep to 12:13 on Sat 12 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2015/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 11 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 11 Sep
compat-drikpanchangComparison profileFri 11 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 11thCoveredSunset 12thCoveredRuled
Los Angeles18:59 → 21:1319:0592 min19:040 min11 Sep
Chicago20:59 → 23:1319:0791 min19:050 min11 Sep
Jersey City21:59 → 00:1319:1291 min19:110 min11 Sep
Port of Spain21:59 → 00:1318:0994 min18:090 min11 Sep
London02:59 → 05:1319:2589 min19:220 min11 Sep
Durban03:59 → 06:1317:4698 min17:460 min11 Sep
Dubai05:59 → 08:1318:2793 min18:260 min11 Sep
Delhi07:29 → 09:4318:3192 min18:300 min11 Sep
Kolkata07:29 → 09:4317:4493 min17:430 min11 Sep
Singapore09:59 → 12:1319:0595 min19:040 min11 Sep
Sydney11:59 → 14:1317:4398 min17:440 min11 Sep
Suva13:59 → 16:1318:0097 min18:000 min11 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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