Ruling · Rudra Vrata · 2086

Sunday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 18 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Sunday 8 September

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Monday 9 September

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
Pratipadā ends 11:32:57
11:0311:2711:5112:1512:3913:0313:27

0 of 48 minutes covered

Pratipadā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 09:19 on Sun 8 Sep to 11:33 on Mon 9 Sep.

    2086-09-08T01:18:48Z → 2086-09-09T03:32:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 8th, 11:51–12:39 on the 9th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 8th and 0 of 48 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 1109 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2086: Sunday 8 September.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2086 falls on Sunday 8 September. Pratipadā runs from 09:19 on Sun 8 Sep to 11:33 on Mon 9 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2086/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 8 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 8 Sep
compat-drikpanchangComparison profileSun 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/rudra-vrata · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“S 1 Rudra vrata (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāMadhyāhna 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles18:19 → 20:3312:2648 min12:260 min8 Sep
Chicago20:19 → 22:3312:2448 min12:240 min8 Sep
Jersey City21:19 → 23:3312:3048 min12:290 min8 Sep
Port of Spain21:19 → 23:3311:4048 min11:390 min8 Sep
London02:19 → 04:3312:3448 min12:330 min8 Sep
Durban03:19 → 05:3311:3048 min11:300 min8 Sep
Dubai05:19 → 07:3311:5248 min11:520 min8 Sep
Delhi06:49 → 09:0311:5548 min11:540 min8 Sep
Kolkata06:49 → 09:0311:1048 min11:100 min8 Sep
Singapore09:19 → 11:3312:3948 min12:380 min8 Sep
Sydney11:19 → 13:3311:2948 min11:2948 min8 Sep
Suva13:19 → 15:3311:400 min11:4048 min9 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rudra-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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