Ruling · Aghora Caturdaśī · 2059

Friday 5 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 374 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 4 September

Caturdaśī is absent from pradoṣa. Not taken.

18:44 sunsetpradoṣa ends 20:13
18:2018:4419:0819:3219:5620:2020:44

0 of 89 minutes covered

Evening of Friday 5 September

Taken. The only evening Caturdaśī reaches.

18:43 sunsetpradoṣa ends 20:12
18:1918:4319:0719:3119:5520:1920:43

89 of 89 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 02:28 on Fri 5 Sep to 04:39 on Sat 6 Sep.

    2059-09-04T18:27:33Z → 2059-09-05T20:39:01Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:44–20:13 on the 4th, 18:43–20:12 on the 5th.

    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 89 minutes on the 4th and 89 of 89 on the 5th.

    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 22460 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2059: Friday 5 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2059 falls on Friday 5 September. Caturdaśī runs from 02:28 on Fri 5 Sep to 04:39 on Sat 6 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2059/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 5 Sep
compat-drikpanchangComparison profileFri 5 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 4thCoveredSunset 5thCoveredRuled
Los Angeles11:28 → 13:3919:1490 min19:130 min4 Sep
Chicago13:28 → 15:3919:1988 min19:170 min4 Sep
Jersey City14:28 → 16:3919:2389 min19:220 min4 Sep
Port of Spain14:28 → 16:3918:1494 min18:130 min4 Sep
London19:28 → 21:3919:4085 min19:3886 min5 Sep
Durban20:28 → 22:3917:420 min17:4399 min5 Sep
Dubai22:28 → 00:3918:350 min18:3492 min5 Sep
Delhi23:58 → 02:0918:390 min18:3891 min5 Sep
Kolkata23:58 → 02:0917:510 min17:5092 min5 Sep
Singapore02:28 → 04:3919:080 min19:0795 min5 Sep
Sydney04:28 → 06:3917:390 min17:40100 min5 Sep
Suva06:28 → 08:3917:590 min18:0097 min5 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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