Ruling · Śītalā Saptamī · 2011

Sunday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 115 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 Saturday 20 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

Midday of Sunday 21 August

Taken. The only midday Saptamī reaches.

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

48 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 14:40 on Sat 20 Aug to 16:56 on Sun 21 Aug.

    2011-08-20T06:40:24Z → 2011-08-21T08:55:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 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 0 of 48 minutes on the 20th and 48 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 6903 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 2011: Sunday 21 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 2011 falls on Sunday 21 August. Saptamī runs from 14:40 on Sat 20 Aug to 16:56 on Sun 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2011/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 21 Aug
compat-drikpanchangComparison profileSun 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles23:40 → 01:5612:3248 min12:320 min20 Aug
Chicago01:40 → 03:5612:3048 min12:290 min20 Aug
Jersey City02:40 → 04:5612:3548 min12:350 min20 Aug
Port of Spain02:40 → 04:5611:4548 min11:450 min20 Aug
London07:40 → 09:5612:3948 min12:390 min20 Aug
Durban08:40 → 10:5611:3648 min11:350 min20 Aug
Dubai10:40 → 12:5611:5848 min11:5848 min20 Aug
Delhi12:10 → 14:2612:0038 min12:0048 min20 Aug
Kolkata12:10 → 14:2611:160 min11:1648 min21 Aug
Singapore14:40 → 16:5612:440 min12:4448 min21 Aug
Sydney16:40 → 18:5611:350 min11:3548 min21 Aug
Suva18:40 → 20:5611:460 min11:4648 min21 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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