Ruling · Śītalāṣṭamī · 1916

Monday 27 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 Sunday 26 March

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Aṣṭamī begins 13:24:44
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Monday 27 March

Taken. Aṣṭamī reaches neither midday; the rule takes the second day.

madhyāhna begins 12:00  12:48 madhyāhna ends
Aṣṭamī ends 11:20:05
11:1211:3612:0012:2412:4813:1213:36

0 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 13:25 on Sun 26 Mar to 11:20 on Mon 27 Mar.

    1916-03-26T05:24:44Z → 1916-03-27T03:20:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 26th, 12:00–12:48 on the 27th.

    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 26th and 0 of 48 on the 27th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 2182 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 1916: Monday 27 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 1916 falls on Monday 27 March. Aṣṭamī runs from 13:25 on Sun 26 Mar to 11:20 on Mon 27 Mar, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1916/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 27 Mar
compat-drikpanchangComparison profileSun 26 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles21:25 → 19:2011:3548 min11:350 min26 Mar
Chicago23:25 → 21:2011:3348 min11:320 min26 Mar
Jersey City00:25 → 22:2011:3848 min11:380 min26 Mar
Port of Spain01:25 → 23:2011:4848 min11:480 min26 Mar
London05:25 → 03:2011:4348 min11:430 min26 Mar
Durban07:25 → 05:2011:3748 min11:370 min26 Mar
Dubai09:06 → 07:0111:4248 min11:410 min26 Mar
Delhi10:55 → 08:5012:0348 min12:030 min26 Mar
Kolkata10:55 → 08:5011:1948 min11:180 min26 Mar
Singapore12:25 → 10:2011:4610 min11:460 min26 Mar
Sydney15:25 → 13:2011:370 min11:3748 min27 Mar
Suva17:25 → 15:2011:480 min11:4848 min27 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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