Ruling · Aghora Caturdaśī · 1981

Friday 28 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 176 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 27 August

Caturdaśī is absent from pradoṣa. Not taken.

18:56 sunsetpradoṣa ends 20:23
18:3218:5619:2019:4420:0820:3220:56

0 of 86 minutes covered

Evening of Friday 28 August

Taken. The only evening Caturdaśī reaches.

18:55 sunsetpradoṣa ends 20:22
18:3118:5519:1919:4320:0720:3120:55

87 of 87 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 00:16 on Fri 28 Aug to 23:18 on Fri 28 Aug.

    1981-08-27T16:15:53Z → 1981-08-28T15:17:35Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:56–20:23 on the 27th, 18:55–20:22 on the 28th.

    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 86 minutes on the 27th and 87 of 87 on the 28th.

    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 10562 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1981: Friday 28 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1981 falls on Friday 28 August. Caturdaśī runs from 00:16 on Fri 28 Aug to 23:18 on Fri 28 Aug and covers all of pradoṣa that evening.

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

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 28 Aug
compat-drikpanchangComparison profileFri 28 Aug
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 27thCoveredSunset 28thCoveredRuled
Los Angeles09:16 → 08:1819:2588 min19:240 min27 Aug
Chicago11:16 → 10:1819:3285 min19:300 min27 Aug
Jersey City12:16 → 11:1819:3686 min19:350 min27 Aug
Port of Spain12:16 → 11:1818:1893 min18:180 min27 Aug
London17:16 → 16:1819:5881 min19:560 min27 Aug
Durban18:16 → 17:1817:3863 min17:380 min27 Aug
Dubai20:16 → 19:1818:430 min18:4236 min28 Aug
Delhi21:46 → 20:4818:480 min18:4789 min28 Aug
Kolkata21:46 → 20:4817:580 min17:5791 min28 Aug
Singapore23:46 → 22:4818:400 min18:4095 min28 Aug
Sydney02:16 → 01:1817:330 min17:34102 min28 Aug
Suva04:16 → 03:1817:580 min17:5898 min28 Aug
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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