Ruling · Śītalāṣṭamī · 1919

Tuesday 25 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 178 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 24 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

0 of 48 minutes covered

Midday of Tuesday 25 March

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 15:47 on Mon 24 Mar to 17:09 on Tue 25 Mar.

    1919-03-24T07:47:00Z → 1919-03-25T09:09:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 24th, 12:01–12:49 on the 25th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 10668 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1919: Tuesday 25 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1919 falls on Tuesday 25 March. Aṣṭamī runs from 15:47 on Mon 24 Mar to 17:09 on Tue 25 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1919/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 25 Mar
compat-drikpanchangComparison profileTue 25 Mar
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/shitalashtami · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“K 8 Sitalastami, (purvaviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīMadhyāhna 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles23:47 → 01:0911:3648 min11:350 min24 Mar
Chicago01:47 → 03:0911:3448 min11:330 min24 Mar
Jersey City02:47 → 04:0911:3948 min11:390 min24 Mar
Port of Spain03:47 → 05:0911:4948 min11:480 min24 Mar
London07:47 → 09:0911:4448 min11:430 min24 Mar
Durban09:47 → 11:0911:3848 min11:380 min24 Mar
Dubai11:28 → 12:5011:4348 min11:4248 min24 Mar
Delhi13:17 → 14:3912:040 min12:0448 min25 Mar
Kolkata13:17 → 14:3911:190 min11:1948 min25 Mar
Singapore14:47 → 16:0911:470 min11:4748 min25 Mar
Sydney17:47 → 19:0911:380 min11:3748 min25 Mar
Suva19:47 → 21:0911:490 min11:4948 min25 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shitalashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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