Ruling · Śītalā Saptamī · 1908

Tuesday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 289 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 Monday 17 August

Saptamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Tuesday 18 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

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 18:31 on Mon 17 Aug to 17:35 on Tue 18 Aug.

    1908-08-17T10:31:07Z → 1908-08-18T09:35:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 17th, 11:58–12:46 on the 18th.

    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 17th and 48 of 48 on the 18th.

    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 17361 s

  5. 05

    Ruling

    Śītalā Saptamī, Baoding, 1908: Tuesday 18 August.

    confidence: determinate

Say it like this

In Baoding, Śītalā Saptamī 1908 falls on Tuesday 18 August. Saptamī runs from 18:31 on Mon 17 Aug to 17:35 on Tue 18 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1908/shitala-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Aug
Ahargaṇa, classicalDisc centre, no refractionTue 18 Aug
compat-drikpanchangComparison profileTue 18 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 17thCoveredMadhyāhna 18thCoveredRuled
Los Angeles02:31 → 01:3511:3348 min11:320 min17 Aug
Chicago04:31 → 03:3511:3048 min11:300 min17 Aug
Jersey City05:31 → 04:3511:3648 min11:360 min17 Aug
Port of Spain06:31 → 05:3511:4648 min11:460 min17 Aug
London10:31 → 09:3511:4048 min11:400 min17 Aug
Durban12:31 → 11:3511:360 min11:360 min18 Aug
Dubai14:12 → 13:1611:400 min11:3948 min18 Aug
Delhi16:01 → 15:0512:010 min12:0148 min18 Aug
Kolkata16:01 → 15:0511:160 min11:1648 min18 Aug
Singapore17:31 → 16:3511:450 min11:4448 min18 Aug
Sydney20:31 → 19:3511:350 min11:3548 min18 Aug
Suva22:26 → 21:3011:410 min11:4148 min18 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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