Ruling · Aghora Caturdaśī · 1906

Saturday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 573 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 18 August

Taken. The only evening Caturdaśī reaches.

19:10 sunsetpradoṣa ends 20:33
18:4619:1019:3419:5820:2220:4621:10

83 of 83 minutes covered

Evening of Sunday 19 August

Caturdaśī is absent from pradoṣa. Not taken.

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

0 of 83 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 09:11 on Sat 18 Aug to 09:36 on Sun 19 Aug.

    1906-08-18T01:10:36Z → 1906-08-19T01:36:09Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:10–20:33 on the 18th, 19:09–20:32 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 83 of 83 minutes on the 18th and 0 of 83 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 34368 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1906: Saturday 18 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1906 falls on Saturday 18 August. Caturdaśī runs from 09:11 on Sat 18 Aug to 09:36 on Sun 19 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1906/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 18 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 18 Aug
compat-drikpanchangComparison profileSat 18 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 Angeles17:11 → 17:3618:370 min18:360 min17 Aug
Chicago19:11 → 19:3618:4749 min18:460 min17 Aug
Jersey City20:11 → 20:3618:5183 min18:490 min18 Aug
Port of Spain21:11 → 21:3618:2392 min18:230 min18 Aug
London01:11 → 01:3619:1876 min19:160 min18 Aug
Durban03:11 → 03:3617:32103 min17:330 min18 Aug
Dubai04:52 → 05:1718:3388 min18:320 min18 Aug
Delhi06:41 → 07:0618:5887 min18:570 min18 Aug
Kolkata06:41 → 07:0618:0689 min18:060 min18 Aug
Singapore08:11 → 08:3618:1395 min18:130 min18 Aug
Sydney11:11 → 11:3617:26105 min17:270 min18 Aug
Suva13:06 → 13:3117:51100 min17:510 min18 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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