{"id":"vidhyamitra:city-day:mathura:1920-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1920-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-02-28","date_display":"February 28, 1920 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":1920,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422382.770833,"kali_year":5021,"ahargana":1833917.2708,"sun":{"sidereal_longitude":315.7567,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":60.4734,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.7167,"elapsed_within_tithi_degrees":8.7167},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":60.4734,"elapsed_within_degrees":7.14},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.2301},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1920,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422382.770833,"ahargana":1833917.2708,"kali_year":5021,"ayanamsa_lahiri":22.7377,"grahas":{"sun":{"sidereal_longitude":315.421822,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":59.13292200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":-2.2643},"mars":{"sidereal_longitude":195.94332199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":333.416022,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":107.72302200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":284.365322,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":136.02162199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":210.2376,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":30.2376,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"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":1920,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422382.770833,"kali_year":5021,"ahargana":1833917.2708,"sun":{"sidereal_longitude":315.7567,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":60.4734,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.7167,"elapsed_within_tithi_degrees":8.7167},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":60.4734,"elapsed_within_degrees":7.14},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.2301},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.264,"elongation":104.717},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.264,"opposition_distance":75.283}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:47","sunsetLocal":"18:18","solarNoonLocal":"12:33","dayLengthHours":11.531508143214914,"dayLengthDisplay":"11 Hours 31 Mins 53 Secs","nightLengthDisplay":"12 Hours 28 Mins 07 Secs","moonriseLocal":"12:33","moonsetLocal":"02:22","rahuKala":{"name":"Rāhu Kāla","start":"09:40","end":"11:06","startHours":9.65926061129673,"endHours":11.100699129198594,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:59","end":"15:26","startHours":13.983576165002322,"endHours":15.425014682904187,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:47","end":"08:13","startHours":6.776383575493001,"endHours":8.217822093394865,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:51","startHours":9.467068808909815,"endHours":9.851452413683646,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:34","startHours":7.256863081460289,"endHours":7.5643699652793535,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:56","startHours":12.157754042326626,"endHours":12.926521251874288,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"06:00","startHours":5.238849156397679,"endHours":6.00761636594534,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:47","startHours":5.815424563558425,"endHours":6.776383575493001,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:14","startHours":14.46405567096961,"endHours":15.232822880517272,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.107891718707915,"endHours":18.507891718707913,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:47","startHours":18.307891718707914,"endHours":18.788371224675203,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.057891718707914,"endHours":19.807891718707914,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:56","startHours":24.157754042326626,"endHours":24.926521251874288,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:47","end":"08:13","startHours":6.776383575493001,"endHours":8.217822093394865,"quality":"inauspicious"},{"name":"Śubha","start":"08:13","end":"09:40","startHours":8.217822093394865,"endHours":9.65926061129673,"quality":"auspicious"},{"name":"Roga","start":"09:40","end":"11:06","startHours":9.65926061129673,"endHours":11.100699129198594,"quality":"inauspicious"},{"name":"Udveg","start":"11:06","end":"12:33","startHours":11.100699129198594,"endHours":12.542137647100457,"quality":"inauspicious"},{"name":"Chala","start":"12:33","end":"13:59","startHours":12.542137647100457,"endHours":13.983576165002322,"quality":"neutral"},{"name":"Labha","start":"13:59","end":"15:26","startHours":13.983576165002322,"endHours":15.425014682904187,"quality":"auspicious"},{"name":"Amṛta","start":"15:26","end":"16:52","startHours":15.425014682904187,"endHours":16.86645320080605,"quality":"auspicious"},{"name":"Kāla","start":"16:52","end":"18:18","startHours":16.86645320080605,"endHours":18.307891718707914,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:18","end":"19:52","startHours":18.307891718707914,"endHours":19.86645320080605,"quality":"auspicious"},{"name":"Amṛta","start":"19:52","end":"21:26","startHours":19.86645320080605,"endHours":21.425014682904184,"quality":"auspicious"},{"name":"Kāla","start":"21:26","end":"22:59","startHours":21.425014682904184,"endHours":22.983576165002322,"quality":"inauspicious"},{"name":"Śubha","start":"22:59","end":"00:33","startHours":22.983576165002322,"endHours":24.542137647100457,"quality":"auspicious"},{"name":"Roga","start":"00:33","end":"02:06","startHours":24.542137647100457,"endHours":26.100699129198592,"quality":"inauspicious"},{"name":"Udveg","start":"02:06","end":"03:40","startHours":26.100699129198592,"endHours":27.65926061129673,"quality":"inauspicious"},{"name":"Chala","start":"03:40","end":"05:13","startHours":27.65926061129673,"endHours":29.217822093394865,"quality":"neutral"},{"name":"Labha","start":"05:13","end":"06:47","startHours":29.217822093394865,"endHours":30.776383575493,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.776383575493001,"endHours":7.776383575493001,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.776383575493001,"endHours":8.776383575493,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.776383575493,"endHours":9.776383575493,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.776383575493,"endHours":10.776383575493,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.776383575493,"endHours":11.776383575493,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.776383575493,"endHours":12.776383575493,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.776383575493,"endHours":13.776383575493,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.776383575493,"endHours":14.776383575493,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.776383575493,"endHours":15.776383575493,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.776383575493,"endHours":16.776383575493,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.776383575493,"endHours":17.776383575493,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.776383575493,"endHours":18.776383575493,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.776383575493,"endHours":19.776383575493,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.776383575493,"endHours":20.776383575493,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.776383575493,"endHours":21.776383575493,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.776383575493,"endHours":22.776383575493,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.776383575493,"endHours":23.776383575493,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.776383575493,"endHours":24.776383575493,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.776383575493,"endHours":25.776383575493,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.776383575493,"endHours":26.776383575493,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.776383575493,"endHours":27.776383575493,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.776383575493,"endHours":28.776383575493,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.776383575493,"endHours":29.776383575493,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.776383575493,"endHours":30.776383575493,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","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":-8.509065811145106,"eotMinutes":-13.223058826027486,"ayanamsa":22.7377}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Navamī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"mathura"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 28, 1920 CE · Mathurā · Vidhyamitra","description":"February 28, 1920 CE for Mathurā: Śukla Navamī, sūryodaya 06:47, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1920-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1920-02-28","sa":"https://sa.vidhyamitra.com/city/mathura/1920-02-28","hi":"https://hi.vidhyamitra.com/city/mathura/1920-02-28","x-default":"https://vidhyamitra.com/city/mathura/1920-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:33:25.724Z","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":"2026-05-14T18:33:25.724Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:33:25.724Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}