Ruling · Rudra Vrata · 2047

Thursday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 147 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 Wednesday 21 August

Pratipadā is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Thursday 22 August

Taken. The only midday Pratipadā reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

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 17:16 on Wed 21 Aug to 15:12 on Thu 22 Aug.

    2047-08-21T09:16:21Z → 2047-08-22T07:11:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 21st, 11:57–12:45 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 8823 s

  5. 05

    Ruling

    Rudra Vrata, Baoding, 2047: Thursday 22 August.

    confidence: determinate

Say it like this

In Baoding, Rudra Vrata 2047 falls on Thursday 22 August. Pratipadā runs from 17:16 on Wed 21 Aug to 15:12 on Thu 22 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2047/rudra-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 22 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 22 Aug
compat-drikpanchangComparison profileThu 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles02:16 → 00:1212:3248 min12:320 min21 Aug
Chicago04:16 → 02:1212:2948 min12:290 min21 Aug
Jersey City05:16 → 03:1212:3548 min12:350 min21 Aug
Port of Spain05:16 → 03:1211:4548 min11:450 min21 Aug
London10:16 → 08:1212:3948 min12:390 min21 Aug
Durban11:16 → 09:1211:3548 min11:350 min21 Aug
Dubai13:16 → 11:1211:580 min11:580 min22 Aug
Delhi14:46 → 12:4212:000 min12:0042 min22 Aug
Kolkata14:46 → 12:4211:160 min11:1548 min22 Aug
Singapore17:16 → 15:1212:440 min12:4448 min22 Aug
Sydney19:16 → 17:1211:350 min11:3448 min22 Aug
Suva21:16 → 19:1211:460 min11:4648 min22 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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