Ruling · Aghora Caturdaśī · 2066

Thursday 19 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 560 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 Wednesday 18 August

Caturdaśī is absent from pradoṣa. Not taken.

19:09 sunsetpradoṣa ends 20:32
18:4519:0919:3319:5720:2120:4521:09

0 of 84 minutes covered

Evening of Thursday 19 August

Taken. The only evening Caturdaśī reaches.

19:08 sunsetpradoṣa ends 20:31
18:4419:0819:3219:5620:2020:4421:08

84 of 84 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 05:53 on Thu 19 Aug to 07:36 on Fri 20 Aug.

    2066-08-18T21:52:35Z → 2066-08-19T23:36:09Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:09–20:32 on the 18th, 19:08–20:31 on the 19th.

    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 84 minutes on the 18th and 84 of 84 on the 19th.

    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 33607 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2066: Thursday 19 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2066 falls on Thursday 19 August. Caturdaśī runs from 05:53 on Thu 19 Aug to 07:36 on Fri 20 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2066/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 19 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 19 Aug
compat-drikpanchangComparison profileThu 19 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 18thCoveredSunset 19thCoveredRuled
Los Angeles14:53 → 16:3619:3686 min19:350 min18 Aug
Chicago16:53 → 18:3619:4582 min19:440 min18 Aug
Jersey City17:53 → 19:3619:4983 min19:480 min18 Aug
Port of Spain17:53 → 19:3618:2393 min18:2274 min18 Aug
London22:53 → 00:3620:160 min20:1477 min19 Aug
Durban23:53 → 01:3617:330 min17:34103 min19 Aug
Dubai01:53 → 03:3618:510 min18:5089 min19 Aug
Delhi03:23 → 05:0618:570 min18:5688 min19 Aug
Kolkata03:23 → 05:0618:060 min18:0589 min19 Aug
Singapore05:53 → 07:3619:130 min19:1395 min19 Aug
Sydney07:53 → 09:3617:280 min17:28104 min19 Aug
Suva09:53 → 11:3617:560 min17:57100 min19 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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