{"id":"vidhyamitra:city-day:dwarka:-0504-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/-0504-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-0504-02-28","date_display":"February 28, 505 BCE","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":-504,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1537029.770833,"kali_year":2597,"ahargana":948564.2708,"sun":{"sidereal_longitude":349.8305,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":142.0624,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.2319,"elapsed_within_tithi_degrees":8.2319},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.0624,"elapsed_within_degrees":8.7291},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.8929},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":-504,"month":2,"day":28,"hour":6,"minute":30,"calendar":"julian"},"julian_day":1537029.770833,"ahargana":948564.2708,"kali_year":2597,"ayanamsa_lahiri":-11.1238,"grahas":{"sun":{"sidereal_longitude":349.8305,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":142.0624,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-0.1226},"mars":{"sidereal_longitude":288.2618,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":334.4205,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":343.2697,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":317.9998,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":30.203,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":320.5001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":140.5001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":-504,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":1537029.770833,"kali_year":2597,"ahargana":948564.2708,"sun":{"sidereal_longitude":349.8305,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":142.0624,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.2319,"elapsed_within_tithi_degrees":8.2319},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.0624,"elapsed_within_degrees":8.7291},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.8929},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.123,"elongation":152.232},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.123,"opposition_distance":27.768}},"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":"07:17","sunsetLocal":"18:57","solarNoonLocal":"13:07","dayLengthHours":11.665203597420943,"dayLengthDisplay":"11 Hours 39 Mins 55 Secs","nightLengthDisplay":"12 Hours 20 Mins 05 Secs","moonriseLocal":"16:44","moonsetLocal":"05:49","rahuKala":{"name":"Rāhu Kāla","start":"10:12","end":"11:40","startHours":10.206176747745223,"endHours":11.664327197422843,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:35","end":"16:02","startHours":14.580628096778078,"endHours":16.038778546455696,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:17","end":"08:45","startHours":7.289875848389988,"endHours":8.748026298067606,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:01","end":"10:24","startHours":10.011756687788207,"endHours":10.40059680770224,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:47","end":"08:05","startHours":7.775925998282527,"endHours":8.086998094213753,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:44","end":"13:31","startHours":12.733637527186428,"endHours":13.51131776701449,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:31","startHours":5.734515368733862,"endHours":6.512195608561925,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:17","startHours":6.317775548604909,"endHours":7.289875848389988,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:04","end":"15:51","startHours":15.066678246670616,"endHours":15.84435848649868,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.75507944581093,"endHours":19.15507944581093,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:26","startHours":18.95507944581093,"endHours":19.44112959570347,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.70507944581093,"endHours":20.45507944581093,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:44","end":"01:31","startHours":24.733637527186428,"endHours":25.511317767014493,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:17","end":"08:45","startHours":7.289875848389988,"endHours":8.748026298067606,"quality":"inauspicious"},{"name":"Śubha","start":"08:45","end":"10:12","startHours":8.748026298067606,"endHours":10.206176747745223,"quality":"auspicious"},{"name":"Roga","start":"10:12","end":"11:40","startHours":10.206176747745223,"endHours":11.664327197422843,"quality":"inauspicious"},{"name":"Udveg","start":"11:40","end":"13:07","startHours":11.664327197422843,"endHours":13.12247764710046,"quality":"inauspicious"},{"name":"Chala","start":"13:07","end":"14:35","startHours":13.12247764710046,"endHours":14.580628096778078,"quality":"neutral"},{"name":"Labha","start":"14:35","end":"16:02","startHours":14.580628096778078,"endHours":16.038778546455696,"quality":"auspicious"},{"name":"Amṛta","start":"16:02","end":"17:30","startHours":16.038778546455696,"endHours":17.496928996133313,"quality":"auspicious"},{"name":"Kāla","start":"17:30","end":"18:57","startHours":17.496928996133313,"endHours":18.95507944581093,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:57","end":"20:30","startHours":18.95507944581093,"endHours":20.496928996133313,"quality":"auspicious"},{"name":"Amṛta","start":"20:30","end":"22:02","startHours":20.496928996133313,"endHours":22.038778546455696,"quality":"auspicious"},{"name":"Kāla","start":"22:02","end":"23:35","startHours":22.038778546455696,"endHours":23.580628096778078,"quality":"inauspicious"},{"name":"Śubha","start":"23:35","end":"01:07","startHours":23.580628096778078,"endHours":25.12247764710046,"quality":"auspicious"},{"name":"Roga","start":"01:07","end":"02:40","startHours":25.12247764710046,"endHours":26.664327197422843,"quality":"inauspicious"},{"name":"Udveg","start":"02:40","end":"04:12","startHours":26.664327197422843,"endHours":28.206176747745225,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:45","startHours":28.206176747745225,"endHours":29.748026298067607,"quality":"neutral"},{"name":"Labha","start":"05:45","end":"07:17","startHours":29.748026298067607,"endHours":31.28987584838999,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.289875848389988,"endHours":8.289875848389988,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.289875848389988,"endHours":9.289875848389988,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.289875848389988,"endHours":10.289875848389988,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.289875848389988,"endHours":11.289875848389988,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.289875848389988,"endHours":12.289875848389988,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.289875848389988,"endHours":13.289875848389988,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.289875848389988,"endHours":14.289875848389988,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.289875848389988,"endHours":15.289875848389988,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.289875848389988,"endHours":16.28987584838999,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.28987584838999,"endHours":17.28987584838999,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.28987584838999,"endHours":18.28987584838999,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.28987584838999,"endHours":19.28987584838999,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.28987584838999,"endHours":20.28987584838999,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.28987584838999,"endHours":21.28987584838999,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.28987584838999,"endHours":22.28987584838999,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.28987584838999,"endHours":23.28987584838999,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.28987584838999,"endHours":24.28987584838999,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.28987584838999,"endHours":25.28987584838999,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.28987584838999,"endHours":26.28987584838999,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.28987584838999,"endHours":27.28987584838999,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.28987584838999,"endHours":28.28987584838999,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.28987584838999,"endHours":29.28987584838999,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.28987584838999,"endHours":30.28987584838999,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.28987584838999,"endHours":31.28987584838999,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.304474207385102,"eotMinutes":-13.223058826027486,"ayanamsa":-11.1238}},"calendars":{"vikram_samvat":-447,"saka_samvat":-582,"bengali_samvat":-1097,"malayalam_era":-1328,"nanakshahi_year":-1973,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Trayodaśī · Vikram -447 undefined · Śaka -582 undefined"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"validity":{"eternal":true,"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 28, 505 BCE · Dvārakā · Vidhyamitra","description":"February 28, 505 BCE for Dvārakā: Śukla Trayodaśī, sūryodaya 07:17, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/-0504-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/-0504-02-28","sa":"https://sa.vidhyamitra.com/city/dwarka/-0504-02-28","hi":"https://hi.vidhyamitra.com/city/dwarka/-0504-02-28","x-default":"https://vidhyamitra.com/city/dwarka/-0504-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:46:52.306Z","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":"2026-06-02T15:46:52.306Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:46:52.306Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}