{"id":"vidhyamitra:city-day:dwarka:2180-02-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/2180-02-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-02-29","date_display":"February 29, 2180 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":2180,"month":2,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517347.770833,"kali_year":5281,"ahargana":1928882.2708,"sun":{"sidereal_longitude":313.462,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":355.9386,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.4766,"elapsed_within_tithi_degrees":6.4766},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.9386,"elapsed_within_degrees":9.2719},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.4005},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2180,"month":2,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517347.770833,"ahargana":1928882.2708,"kali_year":5281,"ayanamsa_lahiri":26.3697,"grahas":{"sun":{"sidereal_longitude":313.737161,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":353.158361,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":3.044},"mars":{"sidereal_longitude":269.11386100000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":288.17496099999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":71.49926099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":356.031261,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":61.195160999999985,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":218.5349,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.5349,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"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":2180,"month":2,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517347.770833,"kali_year":5281,"ahargana":1928882.2708,"sun":{"sidereal_longitude":313.462,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":355.9386,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.4766,"elapsed_within_tithi_degrees":6.4766},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.9386,"elapsed_within_degrees":9.2719},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.4005},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.044,"elongation":42.477},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.044,"opposition_distance":137.523}},"eclipse_window_40days":[]},"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":"07:16","sunsetLocal":"18:58","solarNoonLocal":"13:07","dayLengthHours":11.69434763912262,"dayLengthDisplay":"11 Hours 41 Mins 40 Secs","nightLengthDisplay":"12 Hours 18 Mins 20 Secs","moonriseLocal":"09:30","moonsetLocal":"22:00","rahuKala":{"name":"Rāhu Kāla","start":"16:03","end":"17:30","startHours":16.043065912399236,"endHours":17.504859367289562,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:12","end":"11:39","startHours":10.195892092837923,"endHours":11.657685547728251,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:07","end":"14:35","startHours":13.11947900261858,"endHours":14.581272457508906,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:00","end":"10:23","startHours":10.000986298852546,"endHours":10.3907978868233,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:04","startHours":7.759569668020711,"endHours":8.071418938397313,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:44","end":"13:31","startHours":12.729667414647825,"endHours":13.509290590589334,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:30","startHours":5.713058831174252,"endHours":6.492682007115761,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:16","startHours":6.297776213130383,"endHours":7.272305183057268,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:04","end":"15:51","startHours":15.068536942472349,"endHours":15.848160118413857,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.76665282217989,"endHours":19.166652822179888,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:27","startHours":18.96665282217989,"endHours":19.453917307143332,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.71665282217989,"endHours":20.46665282217989,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:44","end":"01:31","startHours":24.729667414647825,"endHours":25.509290590589334,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:16","end":"08:44","startHours":7.272305183057268,"endHours":8.734098637947596,"quality":"inauspicious"},{"name":"Udveg","start":"08:44","end":"10:12","startHours":8.734098637947596,"endHours":10.195892092837923,"quality":"inauspicious"},{"name":"Chala","start":"10:12","end":"11:39","startHours":10.195892092837923,"endHours":11.657685547728251,"quality":"neutral"},{"name":"Labha","start":"11:39","end":"13:07","startHours":11.657685547728251,"endHours":13.11947900261858,"quality":"auspicious"},{"name":"Amṛta","start":"13:07","end":"14:35","startHours":13.11947900261858,"endHours":14.581272457508906,"quality":"auspicious"},{"name":"Kāla","start":"14:35","end":"16:03","startHours":14.581272457508906,"endHours":16.043065912399236,"quality":"inauspicious"},{"name":"Śubha","start":"16:03","end":"17:30","startHours":16.043065912399236,"endHours":17.504859367289562,"quality":"auspicious"},{"name":"Roga","start":"17:30","end":"18:58","startHours":17.504859367289562,"endHours":18.96665282217989,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:58","end":"20:30","startHours":18.96665282217989,"endHours":20.504859367289562,"quality":"inauspicious"},{"name":"Śubha","start":"20:30","end":"22:03","startHours":20.504859367289562,"endHours":22.043065912399232,"quality":"auspicious"},{"name":"Roga","start":"22:03","end":"23:35","startHours":22.043065912399232,"endHours":23.581272457508906,"quality":"inauspicious"},{"name":"Udveg","start":"23:35","end":"01:07","startHours":23.581272457508906,"endHours":25.11947900261858,"quality":"inauspicious"},{"name":"Chala","start":"01:07","end":"02:39","startHours":25.11947900261858,"endHours":26.65768554772825,"quality":"neutral"},{"name":"Labha","start":"02:39","end":"04:12","startHours":26.65768554772825,"endHours":28.195892092837923,"quality":"auspicious"},{"name":"Amṛta","start":"04:12","end":"05:44","startHours":28.195892092837923,"endHours":29.734098637947596,"quality":"auspicious"},{"name":"Kāla","start":"05:44","end":"07:16","startHours":29.734098637947596,"endHours":31.27230518305727,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.272305183057268,"endHours":8.272305183057268,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.272305183057268,"endHours":9.272305183057268,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.272305183057268,"endHours":10.272305183057268,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.272305183057268,"endHours":11.272305183057268,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.272305183057268,"endHours":12.272305183057268,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.272305183057268,"endHours":13.272305183057268,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.272305183057268,"endHours":14.272305183057268,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.272305183057268,"endHours":15.272305183057268,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.272305183057268,"endHours":16.27230518305727,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.27230518305727,"endHours":17.27230518305727,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.27230518305727,"endHours":18.27230518305727,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.27230518305727,"endHours":19.27230518305727,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.27230518305727,"endHours":20.27230518305727,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.27230518305727,"endHours":21.27230518305727,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.27230518305727,"endHours":22.27230518305727,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.27230518305727,"endHours":23.27230518305727,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.27230518305727,"endHours":24.27230518305727,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.27230518305727,"endHours":25.27230518305727,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.27230518305727,"endHours":26.27230518305727,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.27230518305727,"endHours":27.27230518305727,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.27230518305727,"endHours":28.27230518305727,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.27230518305727,"endHours":29.27230518305727,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.27230518305727,"endHours":30.27230518305727,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.27230518305727,"endHours":31.27230518305727,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.778004008514156,"eotMinutes":-13.043140157114735,"ayanamsa":26.3697}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturthī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 29, 2180 CE · Dvārakā · Vidhyamitra","description":"February 29, 2180 CE for Dvārakā: Śukla Caturthī, sūryodaya 07:16, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/2180-02-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/2180-02-29","sa":"https://sa.vidhyamitra.com/city/dwarka/2180-02-29","hi":"https://hi.vidhyamitra.com/city/dwarka/2180-02-29","x-default":"https://vidhyamitra.com/city/dwarka/2180-02-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:09:37.274Z","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":"2026-06-01T13:09:37.274Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:09:37.274Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}