Ruling · Aghora Caturdaśī · 1923

Sunday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 549 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 Sunday 9 September

Taken. The only evening Caturdaśī reaches.

18:38 sunsetpradoṣa ends 20:08
18:1418:3819:0219:2619:5020:1420:38

90 of 90 minutes covered

Evening of Monday 10 September

Caturdaśī is absent from pradoṣa. Not taken.

18:36 sunsetpradoṣa ends 20:07
18:1218:3619:0019:2419:4820:1220:36

0 of 90 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 09:29 on Sun 9 Sep to 07:25 on Mon 10 Sep.

    1923-09-09T01:29:25Z → 1923-09-09T23:25:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:38–20:08 on the 9th, 18:36–20:07 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 90 of 90 minutes on the 9th and 0 of 90 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 32917 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1923: Sunday 9 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1923 falls on Sunday 9 September. Caturdaśī runs from 09:29 on Sun 9 Sep to 07:25 on Mon 10 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1923/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 9 Sep
compat-drikpanchangComparison profileSun 9 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 Angeles17:29 → 15:2518:090 min18:070 min8 Sep
Chicago20:29 → 18:2519:120 min19:100 min8 Sep
Jersey City21:29 → 19:2519:179 min19:150 min9 Sep
Port of Spain21:29 → 19:2518:1175 min18:100 min9 Sep
London02:29 → 00:2519:3187 min19:290 min9 Sep
Durban03:29 → 01:2517:4498 min17:450 min9 Sep
Dubai05:29 → 03:2518:3092 min18:290 min9 Sep
Delhi06:59 → 04:5518:3492 min18:330 min9 Sep
Kolkata06:59 → 04:5517:4793 min17:460 min9 Sep
Singapore08:29 → 06:2518:0695 min18:050 min9 Sep
Sydney11:29 → 09:2517:4199 min17:420 min9 Sep
Suva13:29 → 11:2518:0097 min18:000 min9 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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