Ruling · Aghora Caturdaśī · 2030

Tuesday 27 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 668 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 Monday 26 August

Caturdaśī is absent from pradoṣa. Not taken.

18:58 sunsetpradoṣa ends 20:24
18:3418:5819:2219:4620:1020:3420:58

0 of 86 minutes covered

Evening of Tuesday 27 August

Taken. The only evening Caturdaśī reaches.

18:56 sunsetpradoṣa ends 20:23
18:3218:5619:2019:4420:0820:3220:56

86 of 86 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 07:32 on Tue 27 Aug to 07:37 on Wed 28 Aug.

    2030-08-26T23:31:56Z → 2030-08-27T23:37:25Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:58–20:24 on the 26th, 18:56–20:23 on the 27th.

    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 86 minutes on the 26th and 86 of 86 on the 27th.

    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 40090 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2030: Tuesday 27 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2030 falls on Tuesday 27 August. Caturdaśī runs from 07:32 on Tue 27 Aug to 07:37 on Wed 28 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2030/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 27 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 27 Aug
compat-drikpanchangComparison profileTue 27 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 26thCoveredSunset 27thCoveredRuled
Los Angeles16:32 → 16:3719:2688 min19:250 min26 Aug
Chicago18:32 → 18:3719:3385 min19:320 min26 Aug
Jersey City19:32 → 19:3719:3885 min19:361 min26 Aug
Port of Spain19:32 → 19:3718:1920 min18:1879 min27 Aug
London00:32 → 00:3720:000 min19:5881 min27 Aug
Durban01:32 → 01:3717:380 min17:38101 min27 Aug
Dubai03:32 → 03:3718:430 min18:4390 min27 Aug
Delhi05:02 → 05:0718:490 min18:4889 min27 Aug
Kolkata05:02 → 05:0717:590 min17:5891 min27 Aug
Singapore07:32 → 07:3719:110 min19:1095 min27 Aug
Sydney09:32 → 09:3717:330 min17:33102 min27 Aug
Suva11:32 → 11:3717:580 min17:5899 min27 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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