Ruling · Rudra Vrata · 1911

Thursday 24 August

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 Thursday 24 August

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
Pratipadā begins 12:14:03
11:0811:3211:5612:2012:4413:0813:32

30 of 48 minutes covered, the last 30

Midday of Friday 25 August

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
11:0811:3211:5612:2012:4413:0813:32

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 12:14 on Thu 24 Aug to 10:03 on Fri 25 Aug.

    1911-08-24T04:14:04Z → 1911-08-25T02:02:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 24th, 11:56–12:44 on the 25th.

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

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 30 of 48 minutes on the 24th and 0 of 48 on the 25th.

    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 1058 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1911: Thursday 24 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1911 falls on Thursday 24 August. Pratipadā runs from 12:14 on Thu 24 Aug to 10:03 on Fri 25 Aug and covers 30 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1911/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 24 Aug
compat-drikpanchangComparison profileThu 24 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/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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles20:14 → 18:0311:3148 min11:310 min24 Aug
Chicago22:14 → 20:0311:2948 min11:280 min24 Aug
Jersey City23:14 → 21:0311:3448 min11:340 min24 Aug
Port of Spain00:14 → 22:0311:4448 min11:440 min24 Aug
London04:14 → 02:0311:3848 min11:380 min24 Aug
Durban06:14 → 04:0311:3548 min11:340 min24 Aug
Dubai07:55 → 05:4411:3848 min11:380 min24 Aug
Delhi09:44 → 07:3311:5948 min11:590 min24 Aug
Kolkata09:44 → 07:3311:1548 min11:150 min24 Aug
Singapore11:14 → 09:0311:4348 min11:430 min24 Aug
Sydney14:14 → 12:0311:340 min11:3429 min25 Aug
Suva16:09 → 13:5811:400 min11:4048 min25 Aug
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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