Ruling · Rudra Vrata · 1938

Friday 26 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 216 minutes.

Decide it for

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 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

Midday of Friday 26 August

Taken. The only midday Pratipadā reaches.

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

48 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 19:17 on Thu 25 Aug to 16:20 on Fri 26 Aug.

    1938-08-25T11:17:16Z → 1938-08-26T08:19:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 25th, 11:56–12:44 on the 26th.

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

  3. 03

    Rule

    Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.

    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 12947 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 1938: Friday 26 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 1938 falls on Friday 26 August. Pratipadā runs from 19:17 on Thu 25 Aug to 16:20 on Fri 26 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1938/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 26 Aug
compat-drikpanchangComparison profileFri 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles03:17 → 00:2011:3148 min11:310 min25 Aug
Chicago06:17 → 03:2012:2848 min12:280 min25 Aug
Jersey City07:17 → 04:2012:3448 min12:340 min25 Aug
Port of Spain07:17 → 04:2011:4448 min11:440 min25 Aug
London12:17 → 09:2012:3848 min12:380 min25 Aug
Durban13:17 → 10:2011:340 min11:340 min26 Aug
Dubai15:17 → 12:2011:570 min11:5723 min26 Aug
Delhi16:47 → 13:5011:590 min11:5948 min26 Aug
Kolkata16:47 → 13:5011:150 min11:1448 min26 Aug
Singapore18:37 → 15:4012:030 min12:0348 min26 Aug
Sydney21:17 → 18:2011:340 min11:3348 min26 Aug
Suva23:17 → 20:2011:450 min11:4448 min26 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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