Ruling · Aghora Caturdaśī · 2004

Monday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 112 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 12 September

Caturdaśī is absent from pradoṣa. Not taken.

18:31 sunsetpradoṣa ends 20:03
18:0718:3118:5519:1919:4320:0720:31

0 of 92 minutes covered

Evening of Monday 13 September

Taken. The only evening Caturdaśī reaches.

18:30 sunsetpradoṣa ends 20:01
18:0618:3018:5419:1819:4220:0620:30

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 21:55 on Sun 12 Sep to 22:27 on Mon 13 Sep.

    2004-09-12T13:55:11Z → 2004-09-13T14:27:26Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:31–20:03 on the 12th, 18:30–20:01 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 92 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 6748 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2004: Monday 13 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2004 falls on Monday 13 September. Caturdaśī runs from 21:55 on Sun 12 Sep to 22:27 on Mon 13 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2004/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 13 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 13 Sep
compat-drikpanchangComparison profileMon 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 Angeles06:55 → 07:2719:0392 min19:010 min12 Sep
Chicago08:55 → 09:2719:0491 min19:020 min12 Sep
Jersey City09:55 → 10:2719:0991 min19:080 min12 Sep
Port of Spain09:55 → 10:2718:0894 min18:070 min12 Sep
London14:55 → 15:2719:2190 min19:190 min12 Sep
Durban15:55 → 16:2717:4797 min17:470 min12 Sep
Dubai17:55 → 18:2718:2693 min18:253 min12 Sep
Delhi19:25 → 19:5718:2937 min18:2889 min13 Sep
Kolkata19:25 → 19:5717:430 min17:4294 min13 Sep
Singapore21:55 → 22:2719:040 min19:0495 min13 Sep
Sydney23:55 → 00:2717:440 min17:4597 min13 Sep
Suva01:55 → 02:2718:010 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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