Ruling · Aghora Caturdaśī · 1997

Sunday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 404 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 Saturday 30 August

Caturdaśī is absent from pradoṣa. Not taken.

18:52 sunsetpradoṣa ends 20:19
18:2818:5219:1619:4020:0420:2820:52

0 of 87 minutes covered

Evening of Sunday 31 August

Taken. The only evening Caturdaśī reaches.

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

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 03:03 on Sun 31 Aug to 05:21 on Mon 1 Sep.

    1997-08-30T19:02:57Z → 1997-08-31T21:20:41Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:52–20:19 on the 30th, 18:50–20:18 on the 31st.

    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 87 minutes on the 30th and 88 of 88 on the 31st.

    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 24233 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1997: Sunday 31 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1997 falls on Sunday 31 August. Caturdaśī runs from 03:03 on Sun 31 Aug to 05:21 on Mon 1 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1997/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 31 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 31 Aug
compat-drikpanchangComparison profileSun 31 Aug
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 30thCoveredSunset 31stCoveredRuled
Los Angeles12:03 → 14:2119:2189 min19:200 min30 Aug
Chicago14:03 → 16:2119:2787 min19:250 min30 Aug
Jersey City15:03 → 17:2119:3187 min19:300 min30 Aug
Port of Spain15:03 → 17:2118:1693 min18:160 min30 Aug
London20:03 → 22:2119:5171 min19:4983 min31 Aug
Durban21:03 → 23:2117:400 min17:40100 min31 Aug
Dubai23:03 → 01:2118:390 min18:3891 min31 Aug
Delhi00:33 → 02:5118:450 min18:4490 min31 Aug
Kolkata00:33 → 02:5117:550 min17:5491 min31 Aug
Singapore03:03 → 05:2119:090 min19:0995 min31 Aug
Sydney05:03 → 07:2117:350 min17:36101 min31 Aug
Suva07:03 → 09:2117:580 min17:5998 min31 Aug
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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