Ruling · Aghora Caturdaśī · 2023

Wednesday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 529 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 12 September

Caturdaśī is absent from pradoṣa. Not taken.

18:32 sunsetpradoṣa ends 20:03
18:0818:3218:5619:2019:4420:0820:32

0 of 91 minutes covered

Evening of Wednesday 13 September

Taken. The only evening Caturdaśī reaches.

18:31 sunsetpradoṣa ends 20:02
18:0718:3118:5519:1919:4320:0720:31

92 of 92 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 04:52 on Wed 13 Sep to 07:20 on Thu 14 Sep.

    2023-09-12T20:51:58Z → 2023-09-13T23:19:31Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:32–20:03 on the 12th, 18:31–20:02 on the 13th.

    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 91 minutes on the 12th and 92 of 92 on the 13th.

    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 31710 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2023: Wednesday 13 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2023 falls on Wednesday 13 September. Caturdaśī runs from 04:52 on Wed 13 Sep to 07:20 on Thu 14 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2023/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 13 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 13 Sep
compat-drikpanchangComparison profileWed 13 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 12thCoveredSunset 13thCoveredRuled
Los Angeles13:52 → 16:2019:0492 min19:020 min12 Sep
Chicago15:52 → 18:2019:0591 min19:040 min12 Sep
Jersey City16:52 → 19:2019:1091 min19:0911 min12 Sep
Port of Spain16:52 → 19:2018:0894 min18:0872 min12 Sep
London21:52 → 00:2019:220 min19:2090 min13 Sep
Durban22:52 → 01:2017:460 min17:4797 min13 Sep
Dubai00:52 → 03:2018:260 min18:2593 min13 Sep
Delhi02:22 → 04:5018:300 min18:2993 min13 Sep
Kolkata02:22 → 04:5017:430 min17:4293 min13 Sep
Singapore04:52 → 07:2019:040 min19:0495 min13 Sep
Sydney06:52 → 09:2017:440 min17:4598 min13 Sep
Suva08:52 → 11:2018:000 min18:0196 min13 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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