{"id":"vidhyamitra:city-day:colombo:2007-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/colombo/2007-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2007-08-13","date_display":"August 13, 2007 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":2007,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454325.770833,"kali_year":5109,"ahargana":1865860.2708,"sun":{"sidereal_longitude":115.365,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":118.1067,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.7416,"elapsed_within_tithi_degrees":2.7416},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.1067,"elapsed_within_degrees":11.44},"yoga":{"number":18,"name":"Varīyān","sum_longitude":233.4717},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2007,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454325.770833,"ahargana":1865860.2708,"kali_year":5109,"ayanamsa_lahiri":23.9594,"grahas":{"sun":{"sidereal_longitude":115.98366399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":116.913164,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":1.5109},"mars":{"sidereal_longitude":39.656263999999965,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":112.88956400000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":226.74816399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":123.78296399999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":123.24326400000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":317.7437,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":137.7437,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2007,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454325.770833,"kali_year":5109,"ahargana":1865860.2708,"sun":{"sidereal_longitude":115.365,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":118.1067,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":2.7416,"elapsed_within_tithi_degrees":2.7416},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.1067,"elapsed_within_degrees":11.44},"yoga":{"number":18,"name":"Varīyān","sum_longitude":233.4717},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.511,"elongation":2.742},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.511,"opposition_distance":177.258}},"eclipse_window_40days":[]},"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"tier2":{"city":{"slug":"colombo","name":"Colombo, Sri Lanka","lat":6.9271,"lon":79.8612,"tz_offset_hours":5.5,"country":"LK","tier":"diaspora"},"sunriseLocal":"06:04","sunsetLocal":"18:26","solarNoonLocal":"12:15","dayLengthHours":12.361623434859538,"dayLengthDisplay":"12 Hours 21 Mins 42 Secs","nightLengthDisplay":"11 Hours 38 Mins 18 Secs","moonriseLocal":"06:09","moonsetLocal":"18:28","rahuKala":{"name":"Rāhu Kāla","start":"07:37","end":"09:10","startHours":7.6163365575645985,"endHours":9.161539486922042,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:15","startHours":10.706742416279482,"endHours":12.251945345636926,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:48","end":"15:21","startHours":13.797148274994367,"endHours":15.34235120435181,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:22","startHours":8.955512429674382,"endHours":9.3675665441697,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.586201271326304,"endHours":6.915844562922558,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:40","startHours":11.839891231141609,"endHours":12.663999460132244,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:15","startHours":4.422917170225885,"endHours":5.24702539921652,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:04","startHours":5.040998341968861,"endHours":6.071133628207156,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:08","startHours":14.312215918113516,"endHours":15.136324147104151,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.232757063066696,"endHours":18.632757063066695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:57","startHours":18.432757063066695,"endHours":18.94782470618584,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.182757063066695,"endHours":19.932757063066695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:40","startHours":23.839891231141607,"endHours":24.663999460132246,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:04","end":"07:37","startHours":6.071133628207156,"endHours":7.6163365575645985,"quality":"auspicious"},{"name":"Kāla","start":"07:37","end":"09:10","startHours":7.6163365575645985,"endHours":9.161539486922042,"quality":"inauspicious"},{"name":"Śubha","start":"09:10","end":"10:42","startHours":9.161539486922042,"endHours":10.706742416279482,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:15","startHours":10.706742416279482,"endHours":12.251945345636926,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:48","startHours":12.251945345636926,"endHours":13.797148274994367,"quality":"inauspicious"},{"name":"Chala","start":"13:48","end":"15:21","startHours":13.797148274994367,"endHours":15.34235120435181,"quality":"neutral"},{"name":"Labha","start":"15:21","end":"16:53","startHours":15.34235120435181,"endHours":16.88755413370925,"quality":"auspicious"},{"name":"Amṛta","start":"16:53","end":"18:26","startHours":16.88755413370925,"endHours":18.432757063066695,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:26","end":"19:53","startHours":18.432757063066695,"endHours":19.88755413370925,"quality":"neutral"},{"name":"Labha","start":"19:53","end":"21:21","startHours":19.88755413370925,"endHours":21.34235120435181,"quality":"auspicious"},{"name":"Amṛta","start":"21:21","end":"22:48","startHours":21.34235120435181,"endHours":22.79714827499437,"quality":"auspicious"},{"name":"Kāla","start":"22:48","end":"00:15","startHours":22.79714827499437,"endHours":24.251945345636926,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:42","startHours":24.251945345636926,"endHours":25.706742416279482,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:10","startHours":25.706742416279482,"endHours":27.16153948692204,"quality":"inauspicious"},{"name":"Udveg","start":"03:10","end":"04:37","startHours":27.16153948692204,"endHours":28.6163365575646,"quality":"inauspicious"},{"name":"Chala","start":"04:37","end":"06:04","startHours":28.6163365575646,"endHours":30.071133628207157,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.071133628207156,"endHours":7.071133628207156,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.071133628207156,"endHours":8.071133628207157,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.071133628207157,"endHours":9.071133628207157,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.071133628207157,"endHours":10.071133628207157,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.071133628207157,"endHours":11.071133628207157,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.071133628207157,"endHours":12.071133628207157,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.071133628207157,"endHours":13.071133628207157,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.071133628207157,"endHours":14.071133628207157,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.071133628207157,"endHours":15.071133628207157,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.071133628207157,"endHours":16.071133628207157,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.071133628207157,"endHours":17.071133628207157,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.071133628207157,"endHours":18.071133628207157,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.071133628207157,"endHours":19.071133628207157,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.071133628207157,"endHours":20.071133628207157,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.071133628207157,"endHours":21.071133628207157,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.071133628207157,"endHours":22.071133628207157,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.071133628207157,"endHours":23.071133628207157,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.071133628207157,"endHours":24.071133628207157,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.071133628207157,"endHours":25.071133628207157,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.071133628207157,"endHours":26.071133628207157,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.071133628207157,"endHours":27.071133628207157,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.071133628207157,"endHours":28.071133628207157,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.071133628207157,"endHours":29.071133628207157,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.071133628207157,"endHours":30.071133628207157,"planetary_lord":"Venus"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.830485353828712,"eotMinutes":-4.561520738215509,"ayanamsa":23.9594}},"calendars":{"vikram_samvat":2064,"vikram_samvatsara":"Śārvarī","saka_samvat":1929,"saka_samvatsara":"Sarvajit","bengali_samvat":1414,"malayalam_era":1183,"nanakshahi_year":538,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pratipada · Vikram 2064 Śārvarī · Śaka 1929 Sarvajit"},"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":"colombo"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 13, 2007 CE · Colombo, Sri Lanka · Vidhyamitra","description":"August 13, 2007 CE for Colombo, Sri Lanka: Śukla Pratipada, sūryodaya 06:04, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/colombo/2007-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/colombo/2007-08-13","sa":"https://sa.vidhyamitra.com/city/colombo/2007-08-13","hi":"https://hi.vidhyamitra.com/city/colombo/2007-08-13","x-default":"https://vidhyamitra.com/city/colombo/2007-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T23:00:38.570Z","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":"2026-06-02T23:00:38.570Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T23:00:38.570Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}