Ruling · Aghora Caturdaśī · 1958

Friday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 195 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 Thursday 11 September

Caturdaśī is absent from pradoṣa. Not taken.

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

0 of 91 minutes covered

Evening of Friday 12 September

Taken. The only evening Caturdaśī reaches.

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

91 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 02:15 on Fri 12 Sep to 23:19 on Fri 12 Sep.

    1958-09-11T18:15:05Z → 1958-09-12T15:19:02Z

  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 0 of 91 minutes on the 11th and 91 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 11716 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1958: Friday 12 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1958 falls on Friday 12 September. Caturdaśī runs from 02:15 on Fri 12 Sep to 23:19 on Fri 12 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1958/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 12 Sep
compat-drikpanchangComparison profileFri 12 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 Angeles11:15 → 08:1919:0592 min19:040 min11 Sep
Chicago13:15 → 10:1919:0791 min19:060 min11 Sep
Jersey City14:15 → 11:1919:1291 min19:110 min11 Sep
Port of Spain14:15 → 11:1918:0994 min18:090 min11 Sep
London19:15 → 16:1919:2589 min19:230 min11 Sep
Durban20:15 → 17:1917:460 min17:460 min11 Sep
Dubai22:15 → 19:1918:280 min18:2753 min12 Sep
Delhi23:45 → 20:4918:320 min18:3093 min12 Sep
Kolkata23:45 → 20:4917:440 min17:4393 min12 Sep
Singapore01:45 → 22:4918:350 min18:3595 min12 Sep
Sydney04:15 → 01:1917:430 min17:4498 min12 Sep
Suva06:15 → 03:1918:000 min18:0097 min12 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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