Ruling · Aghora Caturdaśī · 1986

Tuesday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 207 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 2 September

Taken. The only evening Caturdaśī reaches.

19:48 sunsetpradoṣa ends 21:16
19:2419:4820:1220:3621:0021:2421:48

88 of 88 minutes covered

Evening of Wednesday 3 September

Caturdaśī is absent from pradoṣa. Not taken.

19:46 sunsetpradoṣa ends 21:15
19:2219:4620:1020:3420:5821:2221:46

0 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 15:56 on Tue 2 Sep to 16:19 on Wed 3 Sep.

    1986-09-02T06:56:28Z → 1986-09-03T07:18:56Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:48–21:16 on the 2nd, 19:46–21:15 on the 3rd.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 2nd and 0 of 88 on the 3rd.

    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 12441 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1986: Tuesday 2 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1986 falls on Tuesday 2 September. Caturdaśī runs from 15:56 on Tue 2 Sep to 16:19 on Wed 3 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1986/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 2 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 2 Sep
compat-drikpanchangComparison profileTue 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 2ndCoveredSunset 3rdCoveredRuled
Los Angeles23:56 → 00:1919:1789 min19:160 min2 Sep
Chicago01:56 → 02:1919:2287 min19:210 min2 Sep
Jersey City02:56 → 03:1919:2788 min19:250 min2 Sep
Port of Spain02:56 → 03:1918:1594 min18:140 min2 Sep
London07:56 → 08:1919:4584 min19:430 min2 Sep
Durban08:56 → 09:1917:41100 min17:420 min2 Sep
Dubai10:56 → 11:1918:3791 min18:360 min2 Sep
Delhi12:26 → 12:4918:4290 min18:410 min2 Sep
Kolkata12:26 → 12:4917:5392 min17:520 min2 Sep
Singapore14:56 → 15:1919:0895 min19:080 min2 Sep
Sydney16:56 → 17:1917:37101 min17:380 min2 Sep
Suva18:56 → 19:1917:5940 min17:5980 min3 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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