Ruling · Śītalā Saptamī · 2087

Wednesday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 548 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 20 August

Taken. The only midday Saptamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Thursday 21 August

Saptamī 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 02:49 on Wed 20 Aug to 00:39 on Thu 21 Aug.

    2087-08-19T18:49:19Z → 2087-08-20T16:38:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 20th, 11:57–12:45 on the 21st.

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

  3. 03

    Rule

    Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.

    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 32898 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 2087: Wednesday 20 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 2087 falls on Wednesday 20 August. Saptamī runs from 02:49 on Wed 20 Aug to 00:39 on Thu 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 20 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 20 Aug
compat-drikpanchangComparison profileWed 20 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/shitala-saptami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Saptamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 103

“K 7 Sitala saptami (purvaviddha).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīMadhyāhna 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles11:49 → 09:3912:3348 min12:320 min19 Aug
Chicago13:49 → 11:3912:300 min12:300 min20 Aug
Jersey City14:49 → 12:3912:360 min12:363 min20 Aug
Port of Spain14:49 → 12:3911:460 min11:4648 min20 Aug
London19:49 → 17:3912:400 min12:4048 min20 Aug
Durban20:49 → 18:3911:360 min11:3648 min20 Aug
Dubai22:49 → 20:3911:590 min11:5848 min20 Aug
Delhi00:19 → 22:0912:010 min12:0148 min20 Aug
Kolkata00:19 → 22:0911:160 min11:1648 min20 Aug
Singapore02:49 → 00:3912:450 min12:4448 min20 Aug
Sydney04:49 → 02:3911:350 min11:3548 min20 Aug
Suva06:49 → 04:3911:460 min11:4648 min20 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitala-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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