{"id":"vidhyamitra:city-day:ayodhya:1804-02-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1804-02-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1804-02-13","date_display":"February 13, 1804 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":1804,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2379999.770833,"kali_year":4905,"ahargana":1791534.2708,"sun":{"sidereal_longitude":302.6272,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":321.5706,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.9434,"elapsed_within_tithi_degrees":6.9434},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.5706,"elapsed_within_degrees":1.5706},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.1978},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1804,"month":2,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2379999.770833,"ahargana":1791534.2708,"kali_year":4905,"ayanamsa_lahiri":21.1167,"grahas":{"sun":{"sidereal_longitude":302.074564,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":322.662064,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":1.9483},"mars":{"sidereal_longitude":287.749864,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":292.86466399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":197.27756399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":333.69076399999994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":163.61646399999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":295.8929,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":115.8929,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1804,"month":2,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2379999.770833,"kali_year":4905,"ahargana":1791534.2708,"sun":{"sidereal_longitude":302.6272,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":321.5706,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.9434,"elapsed_within_tithi_degrees":6.9434},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":321.5706,"elapsed_within_degrees":1.5706},"yoga":{"number":20,"name":"Śiva","sum_longitude":264.1978},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.948,"elongation":18.943},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.948,"opposition_distance":161.057}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:40","sunsetLocal":"17:51","solarNoonLocal":"12:16","dayLengthHours":11.179717639742755,"dayLengthDisplay":"11 Hours 10 Mins 47 Secs","nightLengthDisplay":"12 Hours 49 Mins 13 Secs","moonriseLocal":"07:48","moonsetLocal":"19:28","rahuKala":{"name":"Rāhu Kāla","start":"08:04","end":"09:28","startHours":8.07066463944017,"endHours":9.468129344408016,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:16","startHours":10.86559404937586,"endHours":12.263058754343703,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:03","startHours":13.660523459311548,"endHours":15.057988164279394,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:39","startHours":9.28180071707897,"endHours":9.654457971737061,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:26","startHours":7.139021502794941,"endHours":7.437147306521415,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.89040149968561,"endHours":12.635716009001795,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:56","startHours":5.182570915839959,"endHours":5.927885425156143,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:40","startHours":5.741556797827097,"endHours":6.6731999344723265,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:52","startHours":14.126345027634162,"endHours":14.871659536950347,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.65291757421508,"endHours":18.05291757421508,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:19","startHours":17.85291757421508,"endHours":18.318739142537694,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.60291757421508,"endHours":19.35291757421508,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.890401499685613,"endHours":24.635716009001793,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:40","end":"08:04","startHours":6.6731999344723265,"endHours":8.07066463944017,"quality":"auspicious"},{"name":"Kāla","start":"08:04","end":"09:28","startHours":8.07066463944017,"endHours":9.468129344408016,"quality":"inauspicious"},{"name":"Śubha","start":"09:28","end":"10:52","startHours":9.468129344408016,"endHours":10.86559404937586,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:16","startHours":10.86559404937586,"endHours":12.263058754343703,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:40","startHours":12.263058754343703,"endHours":13.660523459311548,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:03","startHours":13.660523459311548,"endHours":15.057988164279394,"quality":"neutral"},{"name":"Labha","start":"15:03","end":"16:27","startHours":15.057988164279394,"endHours":16.455452869247235,"quality":"auspicious"},{"name":"Amṛta","start":"16:27","end":"17:51","startHours":16.455452869247235,"endHours":17.85291757421508,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:51","end":"19:27","startHours":17.85291757421508,"endHours":19.455452869247235,"quality":"neutral"},{"name":"Labha","start":"19:27","end":"21:03","startHours":19.455452869247235,"endHours":21.057988164279394,"quality":"auspicious"},{"name":"Amṛta","start":"21:03","end":"22:40","startHours":21.057988164279394,"endHours":22.66052345931155,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:16","startHours":22.66052345931155,"endHours":24.263058754343703,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:52","startHours":24.263058754343703,"endHours":25.865594049375858,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:28","startHours":25.865594049375858,"endHours":27.468129344408013,"quality":"inauspicious"},{"name":"Udveg","start":"03:28","end":"05:04","startHours":27.468129344408013,"endHours":29.07066463944017,"quality":"inauspicious"},{"name":"Chala","start":"05:04","end":"06:40","startHours":29.07066463944017,"endHours":30.673199934472326,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.6731999344723265,"endHours":7.6731999344723265,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.6731999344723265,"endHours":8.673199934472326,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.673199934472326,"endHours":9.673199934472326,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.673199934472326,"endHours":10.673199934472326,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.673199934472326,"endHours":11.673199934472326,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.673199934472326,"endHours":12.673199934472326,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.673199934472326,"endHours":13.673199934472326,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.673199934472326,"endHours":14.673199934472326,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.673199934472326,"endHours":15.673199934472326,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.673199934472326,"endHours":16.673199934472326,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.673199934472326,"endHours":17.673199934472326,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.673199934472326,"endHours":18.673199934472326,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.673199934472326,"endHours":19.673199934472326,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.673199934472326,"endHours":20.673199934472326,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.673199934472326,"endHours":21.673199934472326,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.673199934472326,"endHours":22.673199934472326,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.673199934472326,"endHours":23.673199934472326,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.673199934472326,"endHours":24.673199934472326,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.673199934472326,"endHours":25.673199934472326,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.673199934472326,"endHours":26.673199934472326,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.673199934472326,"endHours":27.673199934472326,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.673199934472326,"endHours":28.673199934472326,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.673199934472326,"endHours":29.673199934472326,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.673199934472326,"endHours":30.673199934472326,"planetary_lord":"Venus"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.786208168849333,"eotMinutes":-14.599525260622107,"ayanamsa":21.1167}},"calendars":{"vikram_samvat":1861,"vikram_samvatsara":"Īśvara","saka_samvat":1726,"saka_samvatsara":"Raktākṣī","bengali_samvat":1211,"malayalam_era":980,"nanakshahi_year":335,"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 Dvitīyā · Vikram 1861 Īśvara · Śaka 1726 Raktākṣī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 13, 1804 CE · Ayodhyā · Vidhyamitra","description":"February 13, 1804 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:40, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1804-02-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1804-02-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1804-02-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1804-02-13","x-default":"https://vidhyamitra.com/city/ayodhya/1804-02-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:59:49.871Z","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":"2026-05-31T23:59:49.871Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:59:49.871Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}