Ruling · Aghora Caturdaśī · 2061

Monday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 555 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 Sunday 11 September

Caturdaśī is absent from pradoṣa. Not taken.

18:33 sunsetpradoṣa ends 20:04
18:0918:3318:5719:2119:4520:0920:33

0 of 91 minutes covered

Evening of Monday 12 September

Taken. The only evening Caturdaśī reaches.

18:31 sunsetpradoṣa ends 20:03
18:0718:3118:5519:1919:4320:0720:31

92 of 92 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 06:24 on Mon 12 Sep to 05:17 on Tue 13 Sep.

    2061-09-11T22:24:21Z → 2061-09-12T21:17:09Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:33–20:04 on the 11th, 18:31–20:03 on the 12th.

    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 91 minutes on the 11th and 92 of 92 on the 12th.

    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 33273 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2061: Monday 12 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2061 falls on Monday 12 September. Caturdaśī runs from 06:24 on Mon 12 Sep to 05:17 on Tue 13 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2061/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 12 Sep
compat-drikpanchangComparison profileMon 12 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 11thCoveredSunset 12thCoveredRuled
Los Angeles15:24 → 14:1719:0492 min19:030 min11 Sep
Chicago17:24 → 16:1719:0691 min19:040 min11 Sep
Jersey City18:24 → 17:1719:1191 min19:090 min11 Sep
Port of Spain18:24 → 17:1718:0979 min18:080 min11 Sep
London23:24 → 22:1719:230 min19:2190 min12 Sep
Durban00:24 → 23:1717:460 min17:4797 min12 Sep
Dubai02:24 → 01:1718:270 min18:2693 min12 Sep
Delhi03:54 → 02:4718:300 min18:2993 min12 Sep
Kolkata03:54 → 02:4717:440 min17:4393 min12 Sep
Singapore06:24 → 05:1719:050 min19:0495 min12 Sep
Sydney08:24 → 07:1717:440 min17:4598 min12 Sep
Suva10:24 → 09:1718:010 min18:0196 min12 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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