Ruling · Aghora Caturdaśī · 2088

Monday 13 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 290 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 13 September

Taken. The only evening Caturdaśī reaches.

18:29 sunsetpradoṣa ends 20:01
18:0518:2918:5319:1719:4120:0520:29

92 of 92 minutes covered

Evening of Tuesday 14 September

Caturdaśī is absent from pradoṣa. Not taken.

18:27 sunsetpradoṣa ends 20:00
18:0318:2718:5119:1519:3920:0320:27

0 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 13:39 on Mon 13 Sep to 11:37 on Tue 14 Sep.

    2088-09-13T05:38:59Z → 2088-09-14T03:37:12Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:29–20:01 on the 13th, 18:27–20:00 on the 14th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 13th and 0 of 92 on the 14th.

    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 17389 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2088: Monday 13 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2088 falls on Monday 13 September. Caturdaśī runs from 13:39 on Mon 13 Sep to 11:37 on Tue 14 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2088/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 13 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 13 Sep
compat-drikpanchangComparison profileMon 13 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 13thCoveredSunset 14thCoveredRuled
Los Angeles22:39 → 20:3719:0193 min18:590 min13 Sep
Chicago00:39 → 22:3719:0292 min19:000 min13 Sep
Jersey City01:39 → 23:3719:0792 min19:050 min13 Sep
Port of Spain01:39 → 23:3718:0795 min18:070 min13 Sep
London06:39 → 04:3719:1790 min19:150 min13 Sep
Durban07:39 → 05:3717:4897 min17:480 min13 Sep
Dubai09:39 → 07:3718:2493 min18:230 min13 Sep
Delhi11:09 → 09:0718:2893 min18:260 min13 Sep
Kolkata11:09 → 09:0717:4194 min17:400 min13 Sep
Singapore13:39 → 11:3719:0495 min19:040 min13 Sep
Sydney15:39 → 13:3717:4697 min17:470 min13 Sep
Suva17:39 → 15:3718:0196 min18:010 min13 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

About Ahargaṇa