Ruling · Aghora Caturdaśī · 1910

Friday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 350 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 1 September

Caturdaśī is absent from pradoṣa. Not taken.

18:50 sunsetpradoṣa ends 20:18
18:2618:5019:1419:3820:0220:2620:50

0 of 88 minutes covered

Evening of Friday 2 September

Taken. The only evening Caturdaśī reaches.

18:49 sunsetpradoṣa ends 20:17
18:2518:4919:1319:3720:0120:2520:49

88 of 88 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 02:35 on Fri 2 Sep to 02:07 on Sat 3 Sep.

    1910-09-01T18:35:27Z → 1910-09-02T18:06:54Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:50–20:18 on the 1st, 18:49–20:17 on the 2nd.

    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 88 minutes on the 1st and 88 of 88 on the 2nd.

    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 21021 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1910: Friday 2 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1910 falls on Friday 2 September. Caturdaśī runs from 02:35 on Fri 2 Sep to 02:07 on Sat 3 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1910/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 2 Sep
compat-drikpanchangComparison profileFri 2 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 1stCoveredSunset 2ndCoveredRuled
Los Angeles10:35 → 10:0718:1989 min18:180 min1 Sep
Chicago12:35 → 12:0718:2587 min18:230 min1 Sep
Jersey City13:35 → 13:0718:3087 min18:280 min1 Sep
Port of Spain14:35 → 14:0718:1693 min18:150 min1 Sep
London18:35 → 18:0718:4983 min18:460 min1 Sep
Durban20:35 → 20:0717:400 min17:41100 min2 Sep
Dubai22:16 → 21:4818:190 min18:1891 min2 Sep
Delhi00:05 → 23:3718:440 min18:4290 min2 Sep
Kolkata00:05 → 23:3717:540 min17:5391 min2 Sep
Singapore01:35 → 01:0718:090 min18:0895 min2 Sep
Sydney04:35 → 04:0717:360 min17:37101 min2 Sep
Suva06:30 → 06:0217:530 min17:5498 min2 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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