Ruling · Aghora Caturdaśī · 1969

Wednesday 10 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 307 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 9 September

Caturdaśī is absent from pradoṣa. Not taken.

18:37 sunsetpradoṣa ends 20:07
18:1318:3719:0119:2519:4920:1320:37

0 of 90 minutes covered

Evening of Wednesday 10 September

Taken. The only evening Caturdaśī reaches.

18:35 sunsetpradoṣa ends 20:06
18:1118:3518:5919:2319:4720:1120:35

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 01:14 on Wed 10 Sep to 02:48 on Thu 11 Sep.

    1969-09-09T17:13:52Z → 1969-09-10T18:48:24Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:37–20:07 on the 9th, 18:35–20:06 on the 10th.

    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 90 minutes on the 9th and 91 of 91 on the 10th.

    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 18406 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1969: Wednesday 10 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1969 falls on Wednesday 10 September. Caturdaśī runs from 01:14 on Wed 10 Sep to 02:48 on Thu 11 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1969/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 10 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 10 Sep
compat-drikpanchangComparison profileWed 10 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 9thCoveredSunset 10thCoveredRuled
Los Angeles10:14 → 11:4819:0891 min19:060 min9 Sep
Chicago12:14 → 13:4819:1090 min19:090 min9 Sep
Jersey City13:14 → 14:4819:1590 min19:140 min9 Sep
Port of Spain13:14 → 14:4818:1094 min18:100 min9 Sep
London18:14 → 19:4819:2988 min19:2722 min9 Sep
Durban19:14 → 20:4817:459 min17:4598 min10 Sep
Dubai21:14 → 22:4818:290 min18:2893 min10 Sep
Delhi22:44 → 00:1818:340 min18:3292 min10 Sep
Kolkata22:44 → 00:1817:460 min17:4593 min10 Sep
Singapore00:44 → 02:1818:360 min18:3595 min10 Sep
Sydney03:14 → 04:4817:420 min17:4398 min10 Sep
Suva05:14 → 06:4818:000 min18:0097 min10 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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