{"id":"vidhyamitra:city-day:dwarka:1981-02-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1981-02-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-25","date_display":"February 25, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444660.770833,"kali_year":5082,"ahargana":1856195.2708,"sun":{"sidereal_longitude":312.95,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":203.5777,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.6277,"elapsed_within_tithi_degrees":10.6277},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":203.5777,"elapsed_within_degrees":3.5777},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.5278},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":2,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444660.770833,"ahargana":1856195.2708,"kali_year":5082,"ayanamsa_lahiri":23.5897,"grahas":{"sun":{"sidereal_longitude":312.76433900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":200.78013899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":4.4904},"mars":{"sidereal_longitude":320.976439,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":298.13943900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":165.36403900000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":302.70583899999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":164.796339,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":109.8419,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":289.8419,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444660.770833,"kali_year":5082,"ahargana":1856195.2708,"sun":{"sidereal_longitude":312.95,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":203.5777,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.6277,"elapsed_within_tithi_degrees":10.6277},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":203.5777,"elapsed_within_degrees":3.5777},"yoga":{"number":12,"name":"Dhruva","sum_longitude":156.5278},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.49,"elongation":109.372},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.49,"opposition_distance":70.628}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:19","sunsetLocal":"18:56","solarNoonLocal":"13:08","dayLengthHours":11.616612820395726,"dayLengthDisplay":"11 Hours 37 Mins 00 Secs","nightLengthDisplay":"12 Hours 23 Mins 00 Secs","moonriseLocal":"00:04","moonsetLocal":"11:15","rahuKala":{"name":"Rāhu Kāla","start":"13:08","end":"14:35","startHours":13.130461412248858,"endHours":14.582538014798324,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:14","startHours":8.77423160460046,"endHours":10.226308207149927,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:41","end":"13:08","startHours":11.678384809699391,"endHours":13.130461412248858,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:02","end":"10:25","startHours":10.032697993476663,"endHours":10.419918420823189,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:48","end":"08:07","startHours":7.80618053623415,"endHours":8.11595687811137,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:45","end":"13:31","startHours":12.743240984902334,"endHours":13.517681839595381,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:33","startHours":5.773273292664897,"endHours":6.547714147357946,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:19","startHours":6.354103933684684,"endHours":7.3221550020509945,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:04","end":"15:50","startHours":15.06656354898148,"endHours":15.841004403674528,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.73876782244672,"endHours":19.13876782244672,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:25","startHours":18.93876782244672,"endHours":19.422793356629874,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.68876782244672,"endHours":20.43876782244672,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:45","end":"01:31","startHours":24.743240984902332,"endHours":25.51768183959538,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:19","end":"08:46","startHours":7.3221550020509945,"endHours":8.77423160460046,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:14","startHours":8.77423160460046,"endHours":10.226308207149927,"quality":"auspicious"},{"name":"Kāla","start":"10:14","end":"11:41","startHours":10.226308207149927,"endHours":11.678384809699391,"quality":"inauspicious"},{"name":"Śubha","start":"11:41","end":"13:08","startHours":11.678384809699391,"endHours":13.130461412248858,"quality":"auspicious"},{"name":"Roga","start":"13:08","end":"14:35","startHours":13.130461412248858,"endHours":14.582538014798324,"quality":"inauspicious"},{"name":"Udveg","start":"14:35","end":"16:02","startHours":14.582538014798324,"endHours":16.03461461734779,"quality":"inauspicious"},{"name":"Chala","start":"16:02","end":"17:29","startHours":16.03461461734779,"endHours":17.486691219897253,"quality":"neutral"},{"name":"Labha","start":"17:29","end":"18:56","startHours":17.486691219897253,"endHours":18.93876782244672,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:56","end":"20:29","startHours":18.93876782244672,"endHours":20.486691219897256,"quality":"inauspicious"},{"name":"Chala","start":"20:29","end":"22:02","startHours":20.486691219897256,"endHours":22.03461461734779,"quality":"neutral"},{"name":"Labha","start":"22:02","end":"23:35","startHours":22.03461461734779,"endHours":23.582538014798324,"quality":"auspicious"},{"name":"Amṛta","start":"23:35","end":"01:08","startHours":23.582538014798324,"endHours":25.130461412248856,"quality":"auspicious"},{"name":"Kāla","start":"01:08","end":"02:41","startHours":25.130461412248856,"endHours":26.67838480969939,"quality":"inauspicious"},{"name":"Śubha","start":"02:41","end":"04:14","startHours":26.67838480969939,"endHours":28.226308207149927,"quality":"auspicious"},{"name":"Roga","start":"04:14","end":"05:46","startHours":28.226308207149927,"endHours":29.77423160460046,"quality":"inauspicious"},{"name":"Udveg","start":"05:46","end":"07:19","startHours":29.77423160460046,"endHours":31.322155002050994,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:19","end":"08:19","startHours":7.3221550020509945,"endHours":8.322155002050994,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:19","end":"09:19","startHours":8.322155002050994,"endHours":9.322155002050994,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:19","end":"10:19","startHours":9.322155002050994,"endHours":10.322155002050994,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:19","end":"11:19","startHours":10.322155002050994,"endHours":11.322155002050994,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:19","end":"12:19","startHours":11.322155002050994,"endHours":12.322155002050994,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:19","end":"13:19","startHours":12.322155002050994,"endHours":13.322155002050994,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:19","end":"14:19","startHours":13.322155002050994,"endHours":14.322155002050994,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:19","end":"15:19","startHours":14.322155002050994,"endHours":15.322155002050994,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:19","end":"16:19","startHours":15.322155002050994,"endHours":16.322155002050994,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:19","end":"17:19","startHours":16.322155002050994,"endHours":17.322155002050994,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:19","end":"18:19","startHours":17.322155002050994,"endHours":18.322155002050994,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:19","end":"19:19","startHours":18.322155002050994,"endHours":19.322155002050994,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:19","end":"20:19","startHours":19.322155002050994,"endHours":20.322155002050994,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:19","end":"21:19","startHours":20.322155002050994,"endHours":21.322155002050994,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:19","end":"22:19","startHours":21.322155002050994,"endHours":22.322155002050994,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:19","end":"23:19","startHours":22.322155002050994,"endHours":23.322155002050994,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:19","end":"00:19","startHours":23.322155002050994,"endHours":24.322155002050994,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:19","end":"01:19","startHours":24.322155002050994,"endHours":25.322155002050994,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:19","end":"02:19","startHours":25.322155002050994,"endHours":26.322155002050994,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:19","end":"03:19","startHours":26.322155002050994,"endHours":27.322155002050994,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:19","end":"04:19","startHours":27.322155002050994,"endHours":28.322155002050994,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:19","end":"05:19","startHours":28.322155002050994,"endHours":29.322155002050994,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:19","end":"06:19","startHours":29.322155002050994,"endHours":30.322155002050994,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:19","end":"07:19","startHours":30.322155002050994,"endHours":31.322155002050994,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.17927551689871,"eotMinutes":-13.702084734931393,"ayanamsa":23.5897}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Ṣaṣṭhī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 25, 1981 CE · Dvārakā · Vidhyamitra","description":"February 25, 1981 CE for Dvārakā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:19, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1981-02-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1981-02-25","sa":"https://sa.vidhyamitra.com/city/dwarka/1981-02-25","hi":"https://hi.vidhyamitra.com/city/dwarka/1981-02-25","x-default":"https://vidhyamitra.com/city/dwarka/1981-02-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T10:08:53.684Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-18T10:08:53.684Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T10:08:53.684Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}