Ruling · Śītalā Saptamī · 1973

Monday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 187 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 Monday 20 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

Midday of Tuesday 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 08:50 on Mon 20 Aug to 07:16 on Tue 21 Aug.

    1973-08-20T00:49:53Z → 1973-08-20T23:16:13Z

  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 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 11241 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1973: Monday 20 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1973 falls on Monday 20 August. Saptamī runs from 08:50 on Mon 20 Aug to 07:16 on Tue 21 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1973/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 20 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 20 Aug
compat-drikpanchangComparison profileMon 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles17:50 → 16:1612:3248 min12:320 min20 Aug
Chicago19:50 → 18:1612:3048 min12:290 min20 Aug
Jersey City20:50 → 19:1612:3548 min12:350 min20 Aug
Port of Spain20:50 → 19:1611:4548 min11:450 min20 Aug
London01:50 → 00:1612:3948 min12:390 min20 Aug
Durban02:50 → 01:1611:3548 min11:350 min20 Aug
Dubai04:50 → 03:1611:5848 min11:580 min20 Aug
Delhi06:20 → 04:4612:0048 min12:000 min20 Aug
Kolkata06:20 → 04:4611:1648 min11:160 min20 Aug
Singapore08:20 → 06:4612:1448 min12:140 min20 Aug
Sydney10:50 → 09:1611:3548 min11:350 min20 Aug
Suva12:50 → 11:1611:460 min11:460 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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