Ruling · Rudra Vrata · 1908

Thursday 27 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 154 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 27 August

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Friday 28 August

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 06:59 on Thu 27 Aug to 09:21 on Fri 28 Aug.

    1908-08-26T22:58:36Z → 1908-08-28T01:20:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 27th, 11:55–12:43 on the 28th.

    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 27th and 0 of 48 on the 28th.

    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 9250 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1908: Thursday 27 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1908 falls on Thursday 27 August. Pratipadā runs from 06:59 on Thu 27 Aug to 09:21 on Fri 28 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1908/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 27 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 27 Aug
compat-drikpanchangComparison profileThu 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/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 26thCoveredMadhyāhna 28thCoveredRuled
Los Angeles14:59 → 17:2111:300 min11:300 min27 Aug
Chicago16:59 → 19:2111:280 min11:270 min27 Aug
Jersey City17:59 → 20:2111:340 min11:330 min27 Aug
Port of Spain18:59 → 21:2111:440 min11:430 min27 Aug
London22:59 → 01:2111:380 min11:370 min27 Aug
Durban00:59 → 03:2111:340 min11:330 min27 Aug
Dubai02:40 → 05:0211:370 min11:370 min27 Aug
Delhi04:29 → 06:5111:590 min11:580 min27 Aug
Kolkata04:29 → 06:5111:140 min11:140 min27 Aug
Singapore05:59 → 08:2111:420 min11:420 min27 Aug
Sydney08:59 → 11:2111:330 min11:330 min27 Aug
Suva10:54 → 13:1611:390 min11:3948 min27 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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