{"id":"vidhyamitra:city-day:jamnagar:1920-02-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1920-02-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-02-29","date_display":"February 29, 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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422383.770833,"kali_year":5021,"ahargana":1833918.2708,"sun":{"sidereal_longitude":316.7636,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":74.9496,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.186,"elapsed_within_tithi_degrees":10.186},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.9496,"elapsed_within_degrees":8.2829},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.7132},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422383.770833,"ahargana":1833918.2708,"kali_year":5021,"ayanamsa_lahiri":22.7377,"grahas":{"sun":{"sidereal_longitude":316.425884,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":73.347084,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-3.1673},"mars":{"sidereal_longitude":196.11298399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":334.864784,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":107.62058400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":285.59058400000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":135.94118400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":210.1846,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":30.1846,"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":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422383.770833,"kali_year":5021,"ahargana":1833918.2708,"sun":{"sidereal_longitude":316.7636,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":74.9496,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.186,"elapsed_within_tithi_degrees":10.186},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.9496,"elapsed_within_degrees":8.2829},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.7132},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.167,"elongation":118.186},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.167,"opposition_distance":61.814}},"eclipse_window_40days":[]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"07:13","sunsetLocal":"18:53","solarNoonLocal":"13:03","dayLengthHours":11.669737796684965,"dayLengthDisplay":"11 Hours 40 Mins 11 Secs","nightLengthDisplay":"12 Hours 19 Mins 49 Secs","moonriseLocal":"14:07","moonsetLocal":"03:34","rahuKala":{"name":"Rāhu Kāla","start":"17:25","end":"18:53","startHours":17.423024009708776,"endHours":18.881741234294395,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:03","end":"14:30","startHours":13.046872335951914,"endHours":14.505589560537533,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:58","end":"17:25","startHours":15.964306785123155,"endHours":17.423024009708776,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:56","end":"10:19","startHours":9.934942256835923,"endHours":10.323933516725422,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"08:01","startHours":7.698242512471304,"endHours":8.009435520382903,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:39","end":"13:26","startHours":12.657881076062413,"endHours":13.435863595841411,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:39","end":"06:26","startHours":5.656038398051435,"endHours":6.434020917830433,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:13","startHours":6.239525287885684,"endHours":7.212003437609431,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:00","end":"15:46","startHours":14.991828635399408,"endHours":15.769811155178406,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:41","end":"19:05","startHours":18.681741234294396,"endHours":19.081741234294395,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:53","end":"19:22","startHours":18.881741234294395,"endHours":19.36798030915627,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:38","end":"20:23","startHours":18.631741234294395,"endHours":20.381741234294395,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:39","end":"01:26","startHours":24.657881076062413,"endHours":25.435863595841408,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:13","end":"08:40","startHours":7.212003437609431,"endHours":8.670720662195052,"quality":"inauspicious"},{"name":"Chala","start":"08:40","end":"10:08","startHours":8.670720662195052,"endHours":10.129437886780671,"quality":"neutral"},{"name":"Labha","start":"10:08","end":"11:35","startHours":10.129437886780671,"endHours":11.588155111366293,"quality":"auspicious"},{"name":"Amṛta","start":"11:35","end":"13:03","startHours":11.588155111366293,"endHours":13.046872335951914,"quality":"auspicious"},{"name":"Kāla","start":"13:03","end":"14:30","startHours":13.046872335951914,"endHours":14.505589560537533,"quality":"inauspicious"},{"name":"Śubha","start":"14:30","end":"15:58","startHours":14.505589560537533,"endHours":15.964306785123155,"quality":"auspicious"},{"name":"Roga","start":"15:58","end":"17:25","startHours":15.964306785123155,"endHours":17.423024009708776,"quality":"inauspicious"},{"name":"Udveg","start":"17:25","end":"18:53","startHours":17.423024009708776,"endHours":18.881741234294395,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:53","end":"20:25","startHours":18.881741234294395,"endHours":20.423024009708776,"quality":"auspicious"},{"name":"Roga","start":"20:25","end":"21:58","startHours":20.423024009708776,"endHours":21.964306785123153,"quality":"inauspicious"},{"name":"Udveg","start":"21:58","end":"23:30","startHours":21.964306785123153,"endHours":23.505589560537533,"quality":"inauspicious"},{"name":"Chala","start":"23:30","end":"01:03","startHours":23.505589560537533,"endHours":25.046872335951914,"quality":"neutral"},{"name":"Labha","start":"01:03","end":"02:35","startHours":25.046872335951914,"endHours":26.58815511136629,"quality":"auspicious"},{"name":"Amṛta","start":"02:35","end":"04:08","startHours":26.58815511136629,"endHours":28.12943788678067,"quality":"auspicious"},{"name":"Kāla","start":"04:08","end":"05:40","startHours":28.12943788678067,"endHours":29.670720662195052,"quality":"inauspicious"},{"name":"Śubha","start":"05:40","end":"07:13","startHours":29.670720662195052,"endHours":31.212003437609432,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.212003437609431,"endHours":8.21200343760943,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.21200343760943,"endHours":9.21200343760943,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.21200343760943,"endHours":10.21200343760943,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.21200343760943,"endHours":11.21200343760943,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.21200343760943,"endHours":12.21200343760943,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.21200343760943,"endHours":13.21200343760943,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.21200343760943,"endHours":14.21200343760943,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.21200343760943,"endHours":15.21200343760943,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.21200343760943,"endHours":16.212003437609432,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.212003437609432,"endHours":17.212003437609432,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.212003437609432,"endHours":18.212003437609432,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.212003437609432,"endHours":19.212003437609432,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.212003437609432,"endHours":20.212003437609432,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.212003437609432,"endHours":21.212003437609432,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.212003437609432,"endHours":22.212003437609432,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.212003437609432,"endHours":23.212003437609432,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.212003437609432,"endHours":24.212003437609432,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.212003437609432,"endHours":25.212003437609432,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.212003437609432,"endHours":26.212003437609432,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.212003437609432,"endHours":27.212003437609432,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.212003437609432,"endHours":28.212003437609432,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.212003437609432,"endHours":29.212003437609432,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.212003437609432,"endHours":30.212003437609432,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.212003437609432,"endHours":31.212003437609432,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.13314072195055,"eotMinutes":-13.043140157114735,"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","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 Daśamī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"jamnagar"},"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, 1920 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 29, 1920 CE for Jamnagar, Gujarat: Śukla Daśamī, sūryodaya 07:13, sūryāsta 18:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1920-02-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1920-02-29","sa":"https://sa.vidhyamitra.com/city/jamnagar/1920-02-29","hi":"https://hi.vidhyamitra.com/city/jamnagar/1920-02-29","x-default":"https://vidhyamitra.com/city/jamnagar/1920-02-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:36:31.446Z","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":"2026-06-01T15:36:31.446Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:36:31.446Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}