Ruling · Mahāśivarātri (Shivratri) · 2088

Friday 20 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 278 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Friday 20 February

Taken. The only night Caturdaśī reaches.

niśītha begins 00:08  00:56 niśītha ends
23:2023:4400:0800:3200:5601:2001:44

48 of 48 minutes covered

Night of Saturday 21 February

Caturdaśī is absent from niśītha. Not taken.

niśītha begins 00:08  00:56 niśītha ends
23:2023:4400:0800:3200:5601:2001:44

0 of 48 minutes covered

Caturdaśī presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 19:16 on Fri 20 Feb to 19:30 on Sat 21 Feb.

    2088-02-20T11:15:39Z → 2088-02-21T11:29:45Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 20th, 00:08–00:56 on the 21st.

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

  3. 03

    Rule

    Caturdaśī must be present during niśītha. 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. 105

  4. 04

    Tie-break

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

    priority: disputed → only-day · margin 16668 s

  5. 05

    Ruling

    Mahāśivarātri, Baoding, 2088: Friday 20 February.

    confidence: determinate

Say it like this

In Baoding, Mahāśivarātri (Shivratri) 2088 falls on Friday 20 February. Caturdaśī runs from 19:16 on Fri 20 Feb to 19:30 on Sat 21 Feb and covers all of niśītha that night.

ahargana.org/baoding/festivals/2088/maha-shivaratri · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 20 Feb
Ahargaṇa, classicalDisc centre, no refractionFri 20 Feb
compat-drikpanchangComparison profileFri 20 Feb
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/maha-shivaratri · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Niśītha
Priority
Disputed
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105. The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīNiśītha 20thCoveredNiśītha 21stCoveredRuled
Los Angeles03:16 → 03:3023:4248 min23:420 min20 Feb
Chicago05:16 → 05:3023:4048 min23:400 min20 Feb
Jersey City06:16 → 06:3023:4648 min23:460 min20 Feb
Port of Spain07:16 → 07:3023:5648 min23:560 min20 Feb
London11:16 → 11:3023:5048 min23:500 min20 Feb
Durban13:16 → 13:3023:4648 min23:460 min20 Feb
Dubai15:16 → 15:3000:0848 min00:080 min20 Feb
Delhi16:46 → 17:0000:1148 min00:110 min20 Feb
Kolkata16:46 → 17:0023:2648 min23:260 min20 Feb
Singapore19:16 → 19:3000:5448 min00:540 min20 Feb
Sydney22:16 → 22:3000:4548 min00:450 min20 Feb
Suva23:16 → 23:3023:5648 min23:560 min20 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
maha-shivaratri@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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