Ruling · Aghora Caturdaśī · 1961

Friday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 577 minutes.

Decide it for

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 7 September

Caturdaśī is absent from pradoṣa. Not taken.

18:40 sunsetpradoṣa ends 20:10
18:1618:4019:0419:2819:5220:1620:40

0 of 90 minutes covered

Evening of Friday 8 September

Taken. The only evening Caturdaśī reaches.

18:38 sunsetpradoṣa ends 20:08
18:1418:3819:0219:2619:5020:1420:38

90 of 90 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 05:47 on Fri 8 Sep to 08:23 on Sat 9 Sep.

    1961-09-07T21:47:03Z → 1961-09-09T00:23:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:40–20:10 on the 7th, 18:38–20:08 on the 8th.

    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 90 minutes on the 7th and 90 of 90 on the 8th.

    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 34642 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1961: Friday 8 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1961 falls on Friday 8 September. Caturdaśī runs from 05:47 on Fri 8 Sep to 08:23 on Sat 9 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1961/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 8 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 8 Sep
compat-drikpanchangComparison profileFri 8 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 7thCoveredSunset 9thCoveredRuled
Los Angeles14:47 → 17:2319:1091 min19:080 min7 Sep
Chicago16:47 → 19:2319:1489 min19:100 min7 Sep
Jersey City17:47 → 20:2319:1990 min19:150 min7 Sep
Port of Spain17:47 → 20:2318:1294 min18:100 min8 Sep
London22:47 → 01:2319:340 min19:290 min8 Sep
Durban23:47 → 02:2317:440 min17:450 min8 Sep
Dubai01:47 → 04:2318:320 min18:290 min8 Sep
Delhi03:17 → 05:5318:360 min18:340 min8 Sep
Kolkata03:17 → 05:5317:480 min17:460 min8 Sep
Singapore05:17 → 07:5318:360 min18:360 min8 Sep
Sydney07:47 → 10:2317:410 min17:420 min8 Sep
Suva09:47 → 12:2318:000 min18:000 min8 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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