Ruling · Śītalāṣṭamī · 2019

Thursday 28 March

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 637 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 Wednesday 27 March

Aṣṭamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Thursday 28 March

Taken. The only midday Aṣṭamī reaches.

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

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 23:25 on Wed 27 Mar to 01:04 on Fri 29 Mar.

    2019-03-27T15:25:16Z → 2019-03-28T17:04:21Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 27th, 12:00–12:48 on the 28th.

    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 27th and 48 of 48 on the 28th.

    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 38234 s

  5. 05

    Ruling

    Śītalāṣṭamī, Baoding, 2019: Thursday 28 March.

    confidence: determinate

Say it like this

In Baoding, Śītalāṣṭamī 2019 falls on Thursday 28 March. Aṣṭamī runs from 23:25 on Wed 27 Mar to 01:04 on Fri 29 Mar and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2019/shitalashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 28 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 28 Mar
compat-drikpanchangComparison profileThu 28 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 27thCoveredMadhyāhna 28thCoveredRuled
Los Angeles08:25 → 10:0412:3548 min12:340 min27 Mar
Chicago10:25 → 12:0412:3248 min12:320 min27 Mar
Jersey City11:25 → 13:0412:3848 min12:3827 min27 Mar
Port of Spain11:25 → 13:0411:4848 min11:4748 min27 Mar
London15:25 → 17:0411:420 min11:4248 min28 Mar
Durban17:25 → 19:0411:370 min11:3748 min28 Mar
Dubai19:25 → 21:0412:000 min12:0048 min28 Mar
Delhi20:55 → 22:3412:030 min12:0348 min28 Mar
Kolkata20:55 → 22:3411:180 min11:1848 min28 Mar
Singapore23:25 → 01:0412:460 min12:4648 min28 Mar
Sydney02:25 → 04:0412:360 min12:3648 min28 Mar
Suva03:25 → 05:0411:480 min11:4748 min28 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

About Ahargaṇa