Ruling · Aghora Caturdaśī · 2081

Tuesday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 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 1 September

Caturdaśī is absent from pradoṣa. Not taken.

18:48 sunsetpradoṣa ends 20:16
18:2418:4819:1219:3620:0020:2420:48

0 of 88 minutes covered

Evening of Tuesday 2 September

Taken. The only evening Caturdaśī reaches.

18:47 sunsetpradoṣa ends 20:15
Caturdaśī ends 20:46:13
18:2318:4719:1119:3519:5920:2320:47

88 of 88 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 00:18 on Tue 2 Sep to 20:46 on Tue 2 Sep.

    2081-09-01T16:18:07Z → 2081-09-02T12:46:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:48–20:16 on the 1st, 18:47–20:15 on the 2nd.

    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 88 minutes on the 1st and 88 of 88 on the 2nd.

    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 1874 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2081: Tuesday 2 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2081 falls on Tuesday 2 September. Caturdaśī runs from 00:18 on Tue 2 Sep to 20:46 on Tue 2 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2081/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 2 Sep
compat-drikpanchangComparison profileTue 2 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 1stCoveredSunset 2ndCoveredRuled
Los Angeles09:18 → 05:4619:1889 min19:160 min1 Sep
Chicago11:18 → 07:4619:2387 min19:210 min1 Sep
Jersey City12:18 → 08:4619:2788 min19:260 min1 Sep
Port of Spain12:18 → 08:4618:1594 min18:150 min1 Sep
London17:18 → 13:4619:4584 min19:430 min1 Sep
Durban18:18 → 14:4617:4163 min17:420 min1 Sep
Dubai20:18 → 16:4618:370 min18:360 min1 Sep
Delhi21:48 → 18:1618:420 min18:410 min1 Sep
Kolkata21:48 → 18:1617:530 min17:5224 min2 Sep
Singapore00:18 → 20:4619:090 min19:0895 min2 Sep
Sydney02:18 → 22:4617:380 min17:38100 min2 Sep
Suva04:18 → 00:4617:590 min17:5998 min2 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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