Ruling · Aghora Caturdaśī · 2026

Wednesday 9 September

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 365 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Wednesday 9 September

Taken. The only evening Caturdaśī reaches.

18:37 sunsetpradoṣa ends 20:09
18:1318:3719:0119:2519:4920:1320:37

93 of 93 minutes covered

Evening of Thursday 10 September

Caturdaśī is absent from pradoṣa. Not taken.

18:36 sunsetpradoṣa ends 20:08
18:1218:3619:0019:2419:4820:1220:36

0 of 93 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 12:31 on Wed 9 Sep to 10:34 on Thu 10 Sep.

    2026-09-09T07:01:19Z → 2026-09-10T05:03:49Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:37–20:09 on the 9th, 18:36–20:08 on the 10th.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 9th and 0 of 93 on the 10th.

    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 21913 s

  5. 05

    Ruling

    Aghora Caturdaśī, Ujjain, 2026: Wednesday 9 September.

    confidence: determinate

Say it like this

In Ujjain, Aghora Caturdaśī 2026 falls on Wednesday 9 September. Caturdaśī runs from 12:31 on Wed 9 Sep to 10:34 on Thu 10 Sep and covers all of pradoṣa that evening.

ahargana.org/ujjain/festivals/2026/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 9 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 9 Sep
compat-drikpanchangComparison profileWed 9 Sep
No institution has a recorded ruling for Ujjain.

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 9thCoveredSunset 10thCoveredRuled
Los Angeles00:01 → 22:0419:0791 min19:060 min9 Sep
Chicago02:01 → 00:0419:1090 min19:080 min9 Sep
Jersey City03:01 → 01:0419:1590 min19:130 min9 Sep
Port of Spain03:01 → 01:0418:1094 min18:100 min9 Sep
London08:01 → 06:0419:2988 min19:260 min9 Sep
Durban09:01 → 07:0417:4598 min17:450 min9 Sep
Dubai11:01 → 09:0418:2993 min18:280 min9 Sep
Delhi12:31 → 10:3418:3392 min18:320 min9 Sep
Kolkata12:31 → 10:3417:4693 min17:450 min9 Sep
Singapore15:01 → 13:0419:0695 min19:050 min9 Sep
Sydney17:01 → 15:0417:4299 min17:430 min9 Sep
Suva19:01 → 17:0418:0036 min18:000 min9 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