Ruling · Aghora Caturdaśī · 2087

Tuesday 26 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 274 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 Tuesday 26 August

Taken. The only evening Caturdaśī reaches.

18:58 sunsetpradoṣa ends 20:24
18:3418:5819:2219:4620:1020:3420:58

86 of 86 minutes covered

Evening of Wednesday 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

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

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 14:24 on Tue 26 Aug to 13:33 on Wed 27 Aug.

    2087-08-26T06:23:42Z → 2087-08-27T05:33:25Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:58–20:24 on the 26th, 18:56–20:23 on the 27th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 86 of 86 minutes on the 26th and 0 of 86 on the 27th.

    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 16449 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2087: Tuesday 26 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2087 falls on Tuesday 26 August. Caturdaśī runs from 14:24 on Tue 26 Aug to 13:33 on Wed 27 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2087/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 26 Aug
compat-drikpanchangComparison profileTue 26 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 26thCoveredSunset 27thCoveredRuled
Los Angeles23:24 → 22:3319:2688 min19:250 min26 Aug
Chicago01:24 → 00:3319:3385 min19:320 min26 Aug
Jersey City02:24 → 01:3319:3886 min19:360 min26 Aug
Port of Spain02:24 → 01:3318:1993 min18:180 min26 Aug
London07:24 → 06:3320:0081 min19:570 min26 Aug
Durban08:24 → 07:3317:38101 min17:390 min26 Aug
Dubai10:24 → 09:3318:4490 min18:430 min26 Aug
Delhi11:54 → 11:0318:4989 min18:480 min26 Aug
Kolkata11:54 → 11:0317:5991 min17:580 min26 Aug
Singapore14:24 → 13:3319:1195 min19:100 min26 Aug
Sydney16:24 → 15:3317:33102 min17:340 min26 Aug
Suva18:24 → 17:3317:5873 min17:580 min26 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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